what brings energy and oxygen into the body?

45,401 results

health

what brings energy and oxygen into the body?

Science

which of the following summarizes the function of the respiratory system? 1) transport oxygen to cells and wastes away from ells. 2)to protect the organs in the chest cavity. 3)to move oxygen from the air into the body and carbon dioxide from the body into the air 4) to ...

physics

An Olympic high jumper starts running. As she approaches the bar, she pushes off the ground and lifts her body off the ground and flies over the bar. She then falls down into a large padding on the ground. Describe the energy transformation: The _________ energy in food that ...

Health Physics

The body can release 20,000 J of energy for each liter of oxygen consumed. How much oxygen must be consumed by the body to release the energy present in a typical 2000 Cal diet?

Health Physics

The body can release 20,000 J of energy for each liter of oxygen consumed. How much oxygen must be consumed by the body to release the energy present in a typical 2000 Cal diet?

Science Check Answers?

Which of the following best summarizes the function of the respiratory system? A. to transport oxygen to cells and wastes away from cells. B. to protect the organs in the chest cavity C. to move oxygen from the air into the body and carbon dioxide from the body into the air D...

Science

Which of the following best summarizes the function of the respiratory system? A. to transport oxygen to cells and wastes away from cells. B. to protect the organs in the chest cavity C. to move oxygen from the air into the body and carbon dioxide from the body into the air D...

Science

Which of the following best summarizes the function of the respiratory system? A. to transport oxygen to cells and wastes away from cells. B. to protect the organs in the chest cavity C. to move oxygen from the air into the body and carbon dioxide from the body into the air D...

Science

1. Which of the following best summarizes the function of the respiratory system? A. to transport oxygen to cells and wastes away from cells. B. to protect the organs in the chest cavity C. to move oxygen from the air into the body and carbon dioxide from the body into the air...

Biology

20. One difference between a gastrovascular cavity and a one-way digestive system is the presence or absence of a. cell specialization b. digestive enzymes c. digestion within body cells d. a moist membrane for nutrient diffusion A? 21. In an open circulatory system, a. water ...

Biology

20. One difference between a gastrovascular cavity and a one-way digestive system is the presence or absence of a. cell specialization b. digestive enzymes c. digestion within body cells d. a moist membrane for nutrient diffusion A? 21. In an open circulatory system, a. water ...

fitness

VO2max is related to which one of the following choices? A. The efficiency of the body to secrete perspiration and take in lactic acid B. The efficiency of the body to take in oxygen and eliminate carbon dioxide C. The efficiency of the body to take in carbon dioxide and ...

PHYSICS

A body of mass 100.0g is attached to a hanging spring whose force constant is 10.0 kN/m. The body is lifted until the spring is in its unstretched state. The body is then released. Using the law of conservation of energy, calculate the speed of the body when it strikes a table...

physics

The oxygen taken in by the body reacts with fats, carbohydrates, and protein, liberating energy internally at a rate of about 2.12×104 J /liter. If a 85.4 kg man requires 73.0 W of power even while sleeping, what is his rate of oxygen consumption?

Physics

A round body of mass M, radius R, and moment of inertia I= BMR^2 is rolling without slipping. Its kinetic energy can be decomposed into the energy of its center of mass motion (translation) and the enrgy of rotation about its center of mass. The fractions of the body's kinetc ...

Physics

A round body of mass M, radius R, and moment of inertia I= BMR^2 is rolling without slipping. Its kinetic energy can be decomposed into the energy of its center of mass motion (translation) and the enrgy of rotation about its center of mass. The fractions of the body's kinetc ...

Physics

A round body of mass M, radius R, and moment of inertia I= BMR^2 is rolling without slipping. Its kinetic energy can be decomposed into the energy of its center of mass motion (translation) and the enrgy of rotation about its center of mass. The fractions of the body's kinetc ...

body science

I have to do this for an open ended question on my unit test and i am not sure if i did it right can you please check my answers? It is fill in the blank. And the choices are: Arteries,Artium,Body,Carbon Dioxide,Lungs,Veins,Ventricle. You may youse these words more than once. ...

Science help please

1. Name the components of the respiratory system in the order incoming air would encounter them during breathing. trachea, pharynx, larynx, alveoli, bronchi bronchi, larynx, alveoli, trachea, pharynx larynx, trachea, bronchi, pharynx, alveoli pharynx, larynx, trachea, bronchi...

Science

Getting Oxygen 1) Name the components of the respiratory system in the order incoming air would encounter them during breathing. :Trachea,pharynx,larynx,alveoli,bronchi. :Bronchi,larynx,alveoli,trachea,pharynx. :Larynx,trachea,bronchi,pharynx,alveoli. :Pharynx,larynx,trachea,...

home economics

process by which energy is produced when oxygen burns up food through the body? (9)

PHYSICS!!

(a) Suppose 10 astronauts are sent to Mars and then back to Earth. The average power usage of each astronaut is 10,000,000 joules per day. What is the average power usage of each astronaut in watts and horsepower? (b) It will take approximately 2 years for the astronauts to ...

PHYSICS HELP!!

(a) Suppose 10 astronauts are sent to Mars and then back to Earth. The average power usage of each astronaut is 10,000,000 joules per day. What is the average power usage of each astronaut in watts and horsepower? (b) It will take approximately 2 years for the astronauts to ...

science/the human body

explain why a person will die if their heart stops beating for a few minutes People die when their heart stops beating because it has stopped pumping blood throughout the body. The heart is the pump that distributes the blood through the entire body, also distributing ...

Health

Why does the blood returning to the heart have very little oxygen in it? A. The heart is not pumping oxygen fast enough . B. The cells throughout the body use the oxygen . <<<<<<<< C. The heart did not receive enough oxygen from the lungs. D. The lungs ...

Physics

Sweating is one of the main mechanisms with which the body dissipates heat. Sweat evaporates with a latent heat of 2430 kJ/kg at body temperature, and the body can produce as much as 1.3 kg of sweat per hour. If sweating were the only heat dissipation mechanism, what would be ...

body system

7.)During the exchange of air in your lungs, your body seeks to keep oxygen and release ____________which will then exit your body A.)Microorganisms B.)Carbon Dioxide C.)Plasma D.)

physics

The student’s body is 22% percent efficient; that is, for every 22 J that are converted to mechanical energy, 100 J of chemical energy are expended, with 78 J going into thermal energy. How much chemical energy is expended by the student during the climb? Answer in ...

Science

A generator transforms A. Potential energy into kinetic energy B. mechanical energy into electrical energy***** C. Magnetic energy into electrical energy D. Friction into electrical energy Electrical charges that are different A. Attracts each other**** B. repel each other C. ...

Science

Batteries change ____ energy into _____ energy Chemical and electric Converting the suns energy into electricity does not work if it is ____ time or there is ___ weather night and bad? The suns energy can be turned into electrical energy or ___ energy solar? A toaster ...

Science 6

When you turn on a battery powered flashlight, you transform... A:heat energy into light and chemical energy. B:chemical energy into electrical energy and light. C:heat energy into chemical energy and light. D:eletrical energy and light energy into chemical energy. I think B ...

chemistry

The body consist of elements, 65% oxygen is in the blood and 18% carbon. Anything in the body tends to be a compound. Is blood always 65 % oxygen and 18% carbon?

Science. (I'm patient, no rush)

Which of the following sets of words can be used to describe the outputs of photosynthesis? A. water, glucose, light energy B. Carbon dioxide, glucose, chemical energy C. oxygen, glucose, chemical energy D. glucose, oxygen, light energy*** Am I correct?

Physics

A person's body is producing energy internally due to metabolic processes. If the body loses more energy than metabolic processes are generating, its temperature will drop. If the drop is severe, it can be life-threatening. Suppose a person is unclothed and energy is being ...

physics

You set your stationary bike on a high 80 N friction like resistive force and cycle for 30 min at speed of 8 m/s. Your body is 10% efficient at converting chemical energy in your body into mechanical work. What is your internal chemical energy change? How long must you bike to...

ALGEBRA - Proportional

The velocity ( v meters per second ) of a body is known to be proportional to the sqaure root of it's kinetic energy ( e ejoules). When the velocity of a body is 120m/s it's kinetic energy is 1600J. Write down the relationship between v , e using k as the constant of varation...

Biology

If plants need oxygen for cellular respiration, then why do plants release oxygen into the atmosphere? More oxygen is produced during photosynthesis than the plant needs for cellular respiration, so the plant needs to release the extra oxygen. Plants need to collect more ...

Physics

An industrial worker accidentally inhaled a radioisotope with an activity of 0.200 kBq. The substance swallowed has a very long effective half-life and therefore the activity will not change significantly during the worker’s lifetime. Every decay of the isotope releases...

Physics

An industrial worker accidentally inhaled a radioisotope with an activity of 0.200 kBq. The substance swallowed has a very long effective half-life and therefore the activity will not change significantly during the workers lifetime. Every decay of the isotope releases 1.12 x ...

Science

2.)A car driver accelerates to a speed of 35 mph and then takes her foot of the gas pedal.Even though she does not press the brake pedal at any time,she eventually rolls to a stop.which of the following most likely causes the car to come to a stop? A.kinetic energy is ...

Physics

A 56kg adult is climbing up a staircase of 67m. By how much would her body temp increase if her lost energy went into increasing her body temperature during this climb (in C)? I calculated the required amount of joules to reach the top to be 37x10^4J but i don't know where to ...

8th-g Science: Need help to check answer!!!

Since I will have a science test next week based on these questions but my teacher won't check all answer with the class. I don't want to make a mistake and study to an incorrect answers. Do you mind to check the answers for me so that I am able to see if I got it correct or ...

Science-3 question

1. Which of the following is not a function of the circulatory system? breaks down large molecules delivers oxygen to body cells **** takes carbon dioxide away from body cells fights infection 2. Which of the following explains why the heart is organized so that it pumps blood...

science

please help me im stuck on this last one !! .A car driver accelerates to a speed of 35 mph and then takes her foot of the gas pedal.Even though she does not press the brake pedal at any time,she eventually rolls to a stop.which of the following most likely causes the car to ...

PHYSICS(URGENT)

A body of mass 0.5 kg is thrown vertically upwards with a speed of 10 m/s. Determine: a.The initial kinetic energy of the body b.The gain in potential energy when the body has reached its maximum height c.The maximum height reached above the starting position

Plz, check my answers.

1. Which of the following is not a function of the circulatory system? breaks down large molecules delivers oxygen to body cells **** takes carbon dioxide away from body cells fights infection 2. Which of the following explains why the heart is organized so that it pumps blood...

Biology

The process that traps solids in the cell membrane and brings them into the cell is called: pinocytosis phagocytosis ion pumps I think it is phagocytosis because pinocytosis brings in fluid and dissolved substances. I'm not sure if I'm right

physics

A person's body is producing energy internally due to metabolic processes. If the body loses more energy than metabolic processes are generating, its temperature will drop. If the drop is severe, it can be life-threatening. Suppose a person is unclothed and energy is being ...

s

2. Which of the following explains why the heart is organized so that it pumps blood to two different locations? (1 point) to supply blood to two different sides of the body to allow a way for the blood to pick up new blood cells to move oxygen-poor blood through the lungs and...

Chemistry

A typical fat in the body is glyceral trioleate, C57H104O6. When it is metabolized in the body, it combines with oxygen to produce carbon dioxide, water, and 3.022 x 10^4 kJ of heat per mole of fat. B)How many kilokoules of energy must be evolved in the form of heat if you ...

Physics

Total lung capacity of a typical adult is approximately 5.0L. Approximately 20% of the air is oxygen, as air is 20% oxygen. At sea level and at an average body temperature of 37 C, how many moles of oxygen do the lungs contain at the end of an inflation? n=PV/RT V=5.0L=.005m^3...

Science

Can somebody help me with this stoichiometry problem? The human body requires energy that comes from metabolizing sucrose, C12H22O11, given 268.8L of oxygen, how many liters of carbon dioxide (at STP) are produced?

science (URGENT!! CORRECT PLEASE))

(1) The inputs for cellular respiration are: A) Nutrients and carbon dioxide B) Energy and carbon dioxide C) Nutrients and oxygen D) Energy and oxygen ~~~~~~~~~~~~~~~~~~~~~~~~~~~~ My Answer: B ~~~~~~~~~~~~~~~~~~~~~~~~~~~~ (2) The outputs for cellular respiration are A) ...

science (check new answer)

please check my answser .A car driver accelerates to a speed of 35 mph and then takes her foot of the gas pedal.Even though she does not press the brake pedal at any time,she eventually rolls to a stop.which of the following most likely causes the car to come to a stop? A....

math

As an aid in drawing the human body, artists divide the body into three parts. Each part is then expressed as a fraction of the total body height. For example, the torso is 4/15 of the body height. What fraction of body height is the head? Below the waist the 3/5

Science - Please Help!!!

when you turn on a battery powered flashlight, you transform A - Heat energy into light and chemical energy. B - Chemical energy into electrical energy and light. C - Heat energy into chemical energy and light D - Electrical energy and light energy into chemical energy. I ...

science

a body of mass 2 kg is thrown vertically upward with kinetic energy 245 J. The acceleration due to gravity is 9.8m/s^2 the kinetic energy of the body will become half at a hieght of

Science 8

When you turn on a battery-powered flashlight, you transform A.) Heat energy into light and chemical energy. B.) Chemical energy into electrical energy and light. C.) Heat energy into chemical energy and light. D.)Electrical energy and light energy into chemical energy. Is it ...

physics

A body which absorbs 100% of the energy that falls on it is known as a blackbody. how much energy will this body emit? i think it is 100% as well. but i am not sure.

Science

What happens to approximately 60% of the energy released during the complete oxidation of glucose? A) It is used to synthesize more ATP. B) It is reused to supply the energy for anabolic reactions. C) It is stored in the body as fat. D) It is lost by the body in the form of heat

Science

One last question... How can energy from the sun transfer into your body? Thank you!

Physics

A body of mass 10kg falls from a height of 5m above the ground what is the kinetic energy of the body just before its strike the ground. Weight loss of energy and take g=10m/s^2.

Chem

A carless chemistry student pours 200 grams of methanol, a flammable substance into the sink. Another careless chemistry student causes the bad situation to get even worse by dropping a lit match into the sink. The metanol burns completely with 300 grams of oxygen from the air...

Physics

Which of the following is not an example of potential energy? a.)The energy stored in a pile driver b.)The energy stored in a stretched spring c.)The energy of a body moving across a horizontal surface d.)The energy in the water at the top of a waterfall

BIOLOGY

Please tell me if I am getting them right? PLEASE HELP In a moist area of the woods, you see a mass of small, green plants with tall, thin, non-green projections coming from their centers. These plants are probably A. seed-bearing. B. nonvascular. *** C. drought-resistant ...

chem

lung capacity was measured as 3.1 L at a body temperature of 37 ∘C and a pressure of 747 mmHg . How many moles of oxygen is in her lungs if air contains 21% oxygen?

Health

1. The functions of the respiratory system are (choose 2) A. to pump blood to the body** B. to deliver oxygen to the body** C. to remove carbon dioxide from the body D. to absorb nutrients 2. ______ is a substance in tobacco products that causes stained teeth and skin A. ...

Science

when you turn on a battery powered flashlight, you transform A - Heat energy into light and chemical energy. B - Chemical energy into electrical energy and light.*** C - Heat energy into chemical energy and light D - Electrical energy and light energy into chemical energy. B?

Health P.E. (Check answers)

True or False 1. Health related factors refer to coordination, agility, power, speed, balance, and reaction time. 2. There are some aspects of fitness that we have little or no control over. 3. Good aerobic endurance means good cardiovascular efficiency. 4. Muscular endurance ...

Science

During the process of photosynthesis, solar energy is converted into: a. chemical energy. b. heat energy. c. thermal energy. d. mechanical energy. e. nuclear energy. a

SCIENCE

When you turn on a television, you transform electrical energy into what types of energy? 1) heat energy 2) light energy 3) elastic potential energy 4) sound energy I THINK #1 ,#2 #4 Thanks for your help.

Science

Most reactions in the body occur too slowly on their own to sustain life. This is because: a. all reactions in the body are endergonic. b. many reactions require large inputs of activation energy. c. no catalysts are present in body cells. d. most biological catalysts are not ...

physics

Calculate the force with which the body will fall on u. Also calculate, the kinetic energy, when body will be at height 6 ft. from ground. (take g=9.8m/s, mass of body=62 kg..)

Chemistry

Burning 2.00 mol of hydrogen releases 483.6 kJ of energy. Determine how much energy, in kilojoules, must be supplied to convert 5.00 mol of water vapor into hydrogen gas and oxygen gas.

science(check answers)

can someone check my answer thanks ! 2.The ability to do work or cause change is called A.velocity. B.energy.(I PICK B.) C.transfer. D.friction. 3.Which type of energy is demonstrated by a person jogging? A.electrical energy B.nuclear energy C.electromagnetic energy D.kinetic ...

College Physics

The only force acting on a 3.9 kg body as it moves along the positive x axis has an x component Fx = - 6x N, where x is in meters. The velocity of the body at x = 3.0 m is 8.0 m/s. (a) What is the velocity of the body at x = 4.0 m? (b) At what positive value of x will the body...

Biology

Which materials produce during the light reactions of photosynthesis are essential to the dark reactions? Light Reactions (Occurs in Grana) The purpose of the light reactions is to change light energy into chemical energy of ATP and NADPH. a) Require light b) Light makes ...

biology12 HELP ASAP TEST TOM

For each given word start with the wor and put the rest in order appropriately> RIBOSOME----> golgi complex, vesicale food to be digested, rough er, lysosome put in order MITOCHONDRIAN---> muscles use energy, energy made , carboydrate and oxygen sunlight---> ...

science

how should each form of energy be identified? A) energy A:gravitational energy /energy B:chemical energy B) energy A: nuclear energy/ energy B: electrical energy C) energy A: electromagnetic energy energy B:sound energy D) energy A: mechanical energy /energy B: thermal energy

HEALTH PLEASE HELP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

1. The functions of the respiratory system are (select all that apply) A. to pump blood to your body B. to deliver oxygen to the body C. to remove carbon dioxide from the body D. to absorb nutrients 2. The dome-shaped muscle that lies below the lungs and is important in the ...

physics

At what height above the ground must a body of mass 10kg be situated in order to have potential energy in value to the kinetic energy possessed by another body of mass 10kg moving with a velocity of 10m-s

Science!!

Hi!! Which sentence looks better? (Should the commas be there?): 1. Extra food that your body doesn’t need or can’t digest travels into your large intestine & is turned into waste & eliminated from your body. 2. Extra food, that your body doesn’t need or can’t digest, ...

Biology :)

Consider the following situation. A cell is in a solution that contains dissolved oxygen. As the cell uses oxygen for respiration, a. oxygen will be carried across the cell membrane by special transport molecules. b. oxygen will naturally diffuse out of the cell. c. no ...

PHYSICS

At what height above the ground must a body of mass 10kg be situated inorder to have potential energy equal in value to the kinetic energy possessed by another body of mass 10kg moving with a velocity of 10m/s?

english

how to make this thesis on correct placement(Today the price of gasoline is at record high, which brings the question of whether or not the U.S. should start drilling more onshore or offshore. In order to bring now jobs on the market, and lessen the burden of high gas price on...

calculus

In a case study where the maximal rates of oxygen consumption (in ml/s) for nine species of wild African mammals were plotted against body mass (in kg) in a log-log plot, it was found that the data points fell on a straight line with the slope approximately equal to 0.3 and ...

anon

In a case study where the maximal rates of oxygen consumption (in ml/s) for nine species of wild African mammals were plotted against body mass (in kg) in a log-log plot, it was found that the data points fell on a straight line with the slope approximately equal to 0.5 and ...

Chemistry

HAve to find a formula to work out the energy required to thermally decompose water into hydrogen and oxygen.

Biology

1-how do the parts of the respiratory system worj togather? 2-how does the respiratory system work with other body systems? 3- which body system helps Respiratory system bring oxygen to body? A- circulatory B- excretory C- digestive D- muscular

HEALTH

1. during the exchange of air in your lungs, oxygen is being taken into your bloodstream while this substance is being released microorganisms** carbon dioxide plasma mucus 2. the gas exchange of oxygen to the bloodstream takes place in what part of respiratory system? pharynx...

HEALTH

1. during the exchange of air in your lungs, oxygen is being taken into your bloodstream while this substance is being released microorganisms carbon dioxide*** plasma mucus 2. the gas exchange of oxygen to the bloodstream takes place in what part of respiratory system? ...

Chemistry2

A student pours 200 grams of methanol, a flammable substance into the sink. Another student causes the bad situation to get evern worse by dropping a lit match into the sink. The methanol burns completely with 300 grams of oxygen from the air. What mass, in grams, is converted...

Physics

1. A body was dropped from a building 10-m high. Its kinetic energy before reaching the ground is 980 J. What is the mass of the body? 2. A 1.0-kg block slides down a rough inclined plane whose height is 1.0 m. At the bottom the block has a speed of 4.0 m/s. Is mechanical ...

science

1. _____ is the process by which food is broken down so that nutrients can be used by the body. (1 point) Absorption Digestion Elimination Ingestion 2. What type of digestion takes place in the mouth? (1 point) chemical mechanical chemical and mechanical neither chemical nor ...

Health And Physical Ed

1. during the exchange of air in your lungs, oxygen is being taken into your bloodstream while this substance is being released microorganisms carbon dioxide*** plasma mucus 2. the gas exchange of oxygen to the bloodstream takes place in what part of respiratory system? ...

Science

When you turn on a battery powered flashlight you transform... 1) heat into light chemical energy 2) chemical energy into electrical energy and light 3)heat into chemical energy and light 4) electrical energy and light energy into chemical energy

physics

The basal metabolic rate is the rate at which energy is produced in the body when a person is at rest. A 70.0 kg person of height 1.79 m would have a body surface area of approximately 1.90 m^2. What is the net amount of heat this person could radiate per second into a room at...

Health

the chemical process by which your body breaks down the nutrients in foods to release energy for the cells in your body describes. A.calories*** B.cholesterol C.metabolism D.nutrition ----is a type of complex carbohydrate that does not get broken down or absorbed into the ...

chemistry

How many liters of pure oxygen at STP is consumed by a human being in 24 hours if the human body requires daily energy that comes from metabolizing 816 grams of sucrose (C12H22O11)? C12H22O11(s ) + 12 O2(g) => 12 CO2(g)+11 H2O

physics

If a body weight 10N is lifted from the floor to a table 2m above the floor ,calculate the potential energy gained.What happens to the energy if the body falls of the table and hits the floor?

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