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?

28,438 results

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?

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...

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...

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...

Science/Health

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

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

The Body's Transport System 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 ...

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 ...

Health (can someone plz check my answers??)

1. The functions of the respiratory system are... (there are two answers) 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. The dome-shaped muscle that lies below the lungs and is important ...

science: cells

1~ What do red blood cells do and is there anything significantly different about them from other types of cells? 2~ What are bone cells and is there anything significantly different about them from other types of cells? (I just need help for studying i was absent a week from ...

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. ...

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 ...

Science

Describe the flow of blood in the human body, including through each of the four chambers of the heart. Explain how the blood changes as it moves through various locations in the body. Blood enters the heart through two very large veins, the inferior and superior vena cava, ...

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 ...

science

pick two systems in the body and explain how they interact interact with what? each other? elaborate plz. The respritory system and circulatory system are dependant upon each other. All respirations eventualy take place at the cellular level. When you inhale, the oxygen(and ...

Biology

Reptiles and mammals both have a four chambered heart yet reptiles utilize the sun to monitor body temperature while mammals control body temperature internally. What does this mean about the separation of oxygenated (blood that already picked up oxygen from the lungs) and ...

Biology

When oxygen uptake is low, a high proportion of the total amount of blood pumped goes to the intestines. When oxygen uptake is high, a small proportion of blood goes to the intestines. Explain the differences in terms of the needs of the body during rest and during exercise. ...

??/

1. Oxygen moves easily out of blood capillaries into cells because ___________. (1 point) the walls are very thin because it is very small because other gases push it out cells need the oxygen 2. Which of the following statements is false? (1 point) Arteries carry blood away ...

science

1. Oxygen moves easily out of blood capillaries into cells because ___________. (1 point) the walls are very thin because it is very small because other gases push it out cells need the oxygen 2. Which of the following statements is false? (1 point) Arteries carry blood away ...

science

Describe the path of blood through a bird's circulatory system. Start with the right side of the heart. Also explain where the blood picks up oxygen and where it releases the oxygen to the bird's body.

science

2. Which of the following is responsible for carrying nutrients to and waste from the body’s cells? (1 point) plasma red blood cells red and white blood cells white blood cells 3. _________ defend the body against disease. (1 point) Fibrin Red blood cells Plasma White blood ...

HELP PLSS SCIENCE

2. Which of the following is responsible for carrying nutrients to and waste from the body’s cells? (1 point) plasma red blood cells red and white blood cells white blood cells 3. _________ defend the body against disease. (1 point) Fibrin Red blood cells Plasma White blood ...

life science- 6th grade

describe the path the blood flows through a bird's circulatory system. Begin with the right side of the heart. In the answer, explain where the blood picks up oxygen & where it releases the oxygen to the bird's body cells.

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 ...

Biology

What is the effect of carbon monoxide in the blood? I think its because carbon monoxide combines with the blood to form carbooxyhaemoglobin which reduces the amount of oxygen combining with haemogloblin.Hence a person suffers from lack of oxygen and consequently may die from ...

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 ...

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,...

Body structures & Functions

Blood gains which of the following when it passes through the liver. a. Carbon dioxide b. glucose lactic acid oxygen

Biology

What does your body need oxygen for A. It is necessary to aerate the brain C. Cells need it to produce the energy they need to function D. Air flow aids in blood flow within the blood vessels E. It produces hemoglobin, needed to carry carbon dioxide My teacher said letter b ...

BIO

3. Fish have a two chambered heart called a single loop. discuss the benefits and drawbacks of this system. 4. Amphibians have a three chambered heart. Discuss the importance of the extra chamber in terms of the obvious physical differences that amphibians like frogs have from...

Science

Which answer best describes the purpose of the muscles in the human body? A)to protect tissues and form blood B)to remove and use nutrients from food C)to produce movement and provide support D)to combine blood and oxygen needed for movement

Biology - Heart Rate/Blood Pressure

Hi, can someone help me with these questions? Why is it that athletes have to exercise harder/longer to get max heart rate than people that aren't physically fit? Why does smoking cause rise in blood pressure? (Does it have to do with less oxygen getting throughout the body...

Healthcare

Could someone please let me know if I am on the right track with this paragraph and feel free to critique me very strictly as my instructor will do. My assignment was to explain what is in whole blood and what is the purpose of red cells,platelets and plasma. I must explain in...

Science

1.Identify the systems that move your body, and explain how these systems work together. MY ANSWER we hove the nervous system, skeletal system, muscular system, so first the nervous system sends electrical signals to your muscles then galvanizing them into action plus making ...

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 ...

math help please

the human body is 65% oxygen 18% carbon 10% hygrogen the rest is other elements what % is composed of ther elements

heart

When blood flows into the right atrium from the body, it contains.. My question/answer: I know that the oxygen is poor in the right atrium. But what about the carbon dioxide in there?

Science/ Biol

Pick the correct answer to the following question. Write a brief statement explaining why each choice of answers is correct or incorrect. A person is hyperventilating. Their rapid rate of breathing causes a loss of carbon dioxide than usual from the body, resulting in a ...

science

what is an artery thattakes the oxygen rich blood to the rest of the body from the heart

Science/ bio HELP PLEASE!!!!!!!

Pick the correct answer to the following question. Write a brief statement explaining why each choice of answers is correct or incorrect. A person is hyperventilating. Their rapid rate of breathing causes a loss of carbon dioxide than usual from the body, resulting in a ...

Health

1. Your respiratory system is the system in your body that is responsible for breathing. True False 2. The lungs are made up of thick fibrous tissue. True False 3. Internal respiration takes place in the alveoli. True False 4. The alveoli are located at the end of the bronchi...

Science

the ventricle in a single-loop circulatory system is responsible for A. receiving blood from the body. B. pumping blood out to the gills. C. pumping blood out to the body. D. receiving blood from the gills. I think it is A or C. Thank You.

Psychology

While the blood flow that is used by the brain is redirected to the body, the brain does not get the necessary oxygen that it needs to think. Explain how this physiological process affects higher order thinking. Remember that the prefrontal lobe is most affected by the lack of...

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

In the human body, blood travels faster in the largest blood vessel, the aorta than in any other blood vessel. Given an average speed of 30 cm/s, how long would it take the blood to travel 5 cm?

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 Help

Which of the following carries blood to every part of the body? (1 point) blood vessels the heart lymph nodes the ventricles 7. Nutrients and oxygen diffuse into body cells from ______. (1 point) arteries the aorta capillaries veins 8. The leading cause of death in humans is ...

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 Please Help Me

5. Which one of the following is not a cause of anemia? a diet lacking in iron and certain vitamins germs from someone with anemia inherited problems relating to red blood cells. loss of a large amount of blood 6. Which of the following carries blood to every part of the body...

Science Please Help Me

5. Which one of the following is not a cause of anemia? a diet lacking in iron and certain vitamins germs from someone with anemia inherited problems relating to red blood cells. loss of a large amount of blood 6. Which of the following carries blood to every part of the body...

Science Please

Which of the following carries blood to every part of the body? (1 point) blood vessels the heart lymph nodes the ventricles 7. Nutrients and oxygen diffuse into body cells from ______. (1 point) arteries the aorta capillaries veins 8. The leading cause of death in humans is ...

Science Please

Which of the following carries blood to every part of the body? (1 point) blood vessels the heart lymph nodes the ventricles 7. Nutrients and oxygen diffuse into body cells from ______. (1 point) arteries the aorta capillaries veins 8. The leading cause of death in humans is ...

Biology

Why does the blood go from the lungs to pick up oxygen and then return back to the heart to be pumped around the body ? Why can't it just get out of the lungs from the first pump and then pick up an artery and go around of the body instead of returning ?

math please help

the human body is 65% oxygen 18% carbon 10% hygrogen the rest is other elements what % is composed of other elements?

Science

Describe th flow of blood in the human body, including through each of the four chambers of the heart. Explain how the blood changes as it moves on locations in the body i have been stuck on this for almost 3o minutes i need help :)

biology

After a meal rich in starch, the blood with the highest concentration of sugar would be in what blood vessel? What are the 2 blood vessels containing blood with the highest concentration of oxygen?

Health

1. The exchange of carbon dioxide and oxygen takes place in the A. alveoli** B. asthma C. bronchi D. diaphragm 2. ________ is a substance in tobacco smoke that reduces the blood ability to carry oxygen A. Tar B. Nicotine C. Asthma D. Carbon monoxide** Check

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...

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 ...

SCIENCE HELP JUST 2 QUESTIONS!! PLZZ HELP! :)

1) Identify the systems of your body, and explain how these systems work together. 2) Describe the flow of blood to the human body, including through each of the four chambers of the heart. Explain how the blood changes as it moves through the various locations in the body.

Science

During exercise your body's blood pressure increases as it cool down the body's blood pressure slowly returns to its normal state this is know as?

Living a Healthy Life

Blood pressure is a measure of A. oxygen levels in the blood. B. the ratio of red blood cells to white blood cells. C. how hard the heart is working. D. the pressure exerted by hemoglobin against the vascular walls. D.

Living a Healthy Life

Blood pressure is a measure of  A. oxygen levels in the blood.  B. the ratio of red blood cells to white blood cells.  C. how hard the heart is working.  D. the pressure exerted by hemoglobin against the vascular walls.  D.

biology

Ok i have a project Im doing on the red blood cells and I need to know how the blood cools down the body.... It depends. If it's colder than your body temp (say 70 degrees) then as the blood circulates close to the surface (near the skin) it looses heat to the environment. ...

Science

Describe the flow of blood in the human body, including through each of the four chambers of the heart. Explain how the blood changes as it moves through various locations in the body.

Science

Describe the flow of blood in the human body, including through each four chambers of the heart.Explain how the blood changes as it moves through various locations of the body

Science

Describe the flow of blood to the human body, including through each of the four chambers of the heart. Explain how the blood changes as it moves through the various locations in the body.

biology

After a meal rich in starch, the blood with the highest concentration of sugar would be in what blood vessel? What are the 2 blood vessels containing blood with the highest concentration of oxygen? The websites given last time did not help, please can someone tell me the answers

science

1. The liquid part of the blood is called _____. (1 point) hemoglobin plasma platelets white blood cells 2. Your circulatory system can best be compared to _____. (1 point) gates a net pipes a balloon 3. Which of the following shows the correct order of blood flow? (1 point) ...

chemistry

Rust contains an iron-oxygen compound in which there are three oxygen atoms for each two iron atoms. In this compound, the iron to oxygen mass ratio is 2.325:1. Another compound of iron and oxygen contains these elements in the ratio of 2.616:1. What is the ratio of iron to ...

Science am i correct?

What are the 4 ways a blood borne pathogen could enter the body's blood stream? Ingestion Inhalation Absorption Skin to blood contact Injection I choose abc and d am I corrct6?

Science

Pneumonia is a disease that causes fluid to build up in the alveoli of the lungs. Which of the following would you expect to be impaired in patients with pneumonia? A. movement of carbon dioxide out of body cells. B. movement of carbon dioxide out of the blood. C. movement of ...

physics

The aorta carries blood away from the heart at a speed of about 43 cm/s and has a radius of approximately 1.1 cm. The aorta branches eventually into a large number of tiny capillaries that distribute the blood to the various body organs. In a capillary, the blood speed is ...

Health

Pulmonary circulation transports oxygen-poor blood from the right ventricle to the ________, where blood picks up a new blood supply. A. Heart B. Lungs C. Brain D. Extremities I said A but it was wrong. I want to say B

Please help (Bio)

Measurements of oxygen binding by whole human blood, at 37oC, at pH 7.4, and in the presence of 40mm of CO2 and normal physiological levels of BPG (5 mmol/L of cells), give the following: PO2 (mm Hg) = 10.6, 19.5, 27.4, 37.5, 50.4, 77.3, 92.3 % saturation (=100 x Theta) = 10, ...

Science-Elements

what 2 things does the formula of a compound tell us? I'm not sure if I'm right, but this is what I wrote: The formula for the compound tells you that it is two parts hydrogen and one part oxygen. The compound carbon dioxide is one part carbon and two parts oxygen.

chemistry 2

The volume of blood in the body of a certain deep-sea diver is 6.00L. Blood cells make up 55% of the blood volume, and the remaining 45% is the aqueous solution called plasma. What is the maximum volume of nitrogen measured at 1.00 atm and 37 degree Celsius that could dissolve...

Science

Adam suffers from severe emphysema. Gas exchange in his lungs is not adequate, and he requires supplemental oxygen. But even though his blood carbon dioxide levels are elevated, his blood pH is close to normal. Considering the urinary system, explain how this can occur.

physics

When you suddenly stand up after lying down for a while, your body may not compensate quickly enough for the pressure changes and you might feel dizzy for a moment. (a) If the gauge pressure of the blood at your heart is 15.61 kPa and your body doesn't compensate, what would ...

Bio (why no one is helpting?)

Measurements of oxygen binding by whole human blood, at 37oC, at pH 7.4, and in the presence of 40mm of CO2 and normal physiological levels of BPG (5 mmol/L of cells), give the following: PO2 (mm Hg) = 10.6, 19.5, 27.4, 37.5, 50.4, 77.3, 92.3 % saturation (=100 x Theta) = 10, ...

Health P.E. (Check answers)

1. The average heart beats about 100,000 times a day. Is it True? 2. The heart is located inside the ribcage and just to the right of the breast bone. Is it False? 3. The heart has four chambers and is divided into a right and left side by a muscular wall called the septum. Is...

science

Explain what would happen if your epiglottis stopped working properly. A. you would have to go to dialysis to get your blood filtered everyday B. you would have to use an inhaler when the pollen or dust repeatedly bothered you C. you would choke on food when it went down the ...

Biology

. Which of the following parts of the circulatory system carries oxygenated blood? A An artery moving blood from the heart to the lungs B. A vein moving blood to the heart from the body C. An artery moving blood from the heart to a muscle cell D. A venule moving blood to the ...

Biology/ a&p

Which of the following parts of the circulatory system carries oxygenated blood? A. An artery moving blood from the heart to the lungs B. A vein moving blood to the heart from the body C. An artery moving blood from the heart to a muscle cell D. A venule moving blood to the ...

Chemistry

A 11.0g sample of a compound containing only oxygen and carbon produce 3.0g carbon and 8.0g oxygen. Determine the empirical formula of the compound.

chemistry

A 11.0g sample of compound containing only oxygen and carbon produces 3.0g carbon and 8.0g oxygen. Determine the empirical formula of the compound.

Science Help. :)

Describe the flow of blood in the human body, including through each of the four chambers of the heart.Explain how the blood changed as it moves through various locations in the body. Please, Don't Give me answers just explain :) Thank you

chemistry

2.4g of a compound of carbon, hydrogen and oxygen gave on combustion, 3.52g of CO2 and 1.44g of H2O. The relative molecular mass of the compound was found to be 60. a)What are the masses of carbon, hydrogen and oxygen in 2.4g of the compound? b)What are the emperical and ...

chemistry

2.4g of a compound of carbon, hydrogen and oxygen gave on combustion, 3.52g of CO2 and 1.44g of H2O. The relative molecular mass of the compound was found to be 60. a)What are the masses of carbon, hydrogen and oxygen in 2.4g of the compound? b)What are the emperical and ...

physics

When you suddenly stand up after lying down for a while, your body may not compensate quickly enough for the pressure changes and you might feel dizzy for a moment. (a) If the gauge pressure of the blood at your heart is 14.3 kPa and your body doesn't compensate, what would ...

Health

What is the primary function of the skeletal muscle? A. Contraction B. Pumping blood to the rest of the body C. Protecting the body from harm D. Heating the body

health

what is the primary function of the skeletal muscle a. protecting the body from harm b. heating the body c. contraction d. pumping blood to the rest of the body

Health

What is the primary function of the skeletal muscle?. A. Contraction B. Heating the body C. Protecting the body from harm D. Pumping blood to the rest of the body

health

What is the primary function of the skeletal muscle? A. Heating the body B. Pumping blood to the rest of the body C. Protecting the body from harm D. Contraction C?

Health Plz help THX!!

Explain what would happen if your epiglottis stopped working properly. A. you would have to go to dialysis to get your blood filtered everyday B. you would have to use an inhaler when the pollen or dust repeatedly bothered you C. you would choke on food when it went down the ...

Chemistry

Cell respiration glucose is reacted wth oxygen in body to produce carbon dioxide and water how many liters of carbon dioxide would be produced if 90.0 g of glucose completely reacts with oxygen

biology

Which of the following is true of skeletal muscle? A. Contraction of skeletal muscle can alter blood flow through the heart. B. Skeletal muscle contraction produces movements of the body. C. Skeletal muscles pump blood throughout the body. D. Flexion of a skeletal muscle ...

helth plz help

the blood vessels that carry blood away from the heart to the rest of the body are… plasma ****** red blood cells whight blood cells platelets 4.Which component of blood is used to help create a scab after you cut your finger? plasma red blood cells ***** whight blood cells ...

HEALTH PLZ HELP MEEEEEEEEEEEE ASAPPPPPPPP

Explain what would happen if your epiglottis stopped working properly. A. you would have to go to dialysis to get your blood filtered everyday B. you would have to use an inhaler when the pollen or dust repeatedly bothered you C. you would choke on food when it went down the ...

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