How are blood cells and stomach cells similar?(1 point)
Responses
Both secrete enzymes.
Both secrete enzymes.
Both help with digestion.
Both help with digestion.
Both help maintain homeostasis.
Both help maintain homeostasis.
Both send signals in the body.
Both send signals in the body.
cell → tissue → organ → organ system → organism
Bones provide shape to the body.
the path of blood as it moves from the heart throughout the body and back to the heart
kidney
mouth and stomach
cell body
Her pupils shrink because the muscles contract.
When the girl opens her eyes, the muscles in the iris contract, causing the pupils to constrict or shrink. This is known as pupillary constriction. The purpose of this reflex is to regulate the amount of light entering the eyes and protect the sensitive retina from excessive light.
Iris
Their metabolism speeds up to produce heat.
A lizard is cold, and it moves to a sunny rock to warm up.
Cells maintain internal stability.
Both make it possible for you to respond to your environment by moving.
to work together to do a specific job
organ system
bronchioles
kidney
Through interneurons in the brain and spinal cord that connect sensory neurons and motor neurons.
Which option shows the correct order of organization within multicellular organisms (from least complex to most complex)?(1 point)
Responses
cell → tissue → organ → organ system → organism
cell → tissue → organ → organ system → organism
tissue → organ system → organ → organism → cell
tissue → organ system → organ → organism → cell
organ → organ system → cell → organism → tissue
organ → organ system → cell → organism → tissue
cell → organ → organ system → tissue → organism
Which statement is true?(1 point)
Responses
Bones are organ systems.
Bones are organ systems.
Bones provide shape to the body.
Bones provide shape to the body.
Bones help the heart pump blood.
Bones help the heart pump blood.
Bones are composed of a single layer.
What is systemic circulation?(1 point)
Responses
the path of blood as it moves from the heart throughout the body and back to the heart
the path of blood as it moves from the heart throughout the body and back to the heart
the path of blood between the heart and lungs
the path of blood between the heart and lungs
the path of blood as it moves from the head throughout the body and back to the head
the path of blood as it moves from the head throughout the body and back to the head
the path of blood between pharynx and trachea
Which organ in the excretory system helps get filter waste?(1 point)
Responses
ureter
ureter
urethra
urethra
bladder
bladder
kidney
In which two organs is food broken down?(1 point)
Responses
esophagus and small intestine
esophagus and small intestine
small intestine and large intestine
small intestine and large intestine
esophagus and stomach
esophagus and stomach
mouth and stomach
Which component of nerve cells contains the nucleus? (1 point)
Responses
axon
axon
cell body
cell body
neuron
neuron
dendrite
A girl has her eyes shut and is standing inside a brightly lit room. What happens to her pupils when she opens her eyes? Why?(1 point)
Responses
Her pupils grow because the muscles contract.
Her pupils grow because the muscles contract.
Her pupils grow because the muscles relax.
Her pupils grow because the muscles relax.
Her pupils shrink because the muscles contract.
Her pupils shrink because the muscles contract.
Her pupils shrink because the muscles relax.
Her pupils shrink because the muscles relax.
The human body has four types of tissues. What part of the eye uses muscle tissue for opening and closing movements?(1 point)
Responses
Cornea
Cornea
Iris
Iris
Sclera
Sclera
Retina
How do polar bears maintain homeostasis in freezing cold weather? (1 point)
Responses
Their metabolism slows down to preserve heat.
Their metabolism slows down to preserve heat.
They hibernate in warm areas in order to heat their bodies.
They hibernate in warm areas in order to heat their bodies.
Their thick fur retains heat.
Their thick fur retains heat.
Their metabolism speeds up to produce heat.
Which example shows an organism that cannot reach homeostasis through internal changes? (1 point)
Responses
A dog shivers when it is too cold.
A dog shivers when it is too cold.
Circulation decreases in a bird when it becomes too warm.
Circulation decreases in a bird when it becomes too warm.
A person gets a fever in response to a flu infection.
A person gets a fever in response to a flu infection.
A lizard is cold, and it moves to a sunny rock to warm up.
A lizard is cold, and it moves to a sunny rock to warm up.
Question 13
How is homeostasis achieved?(1 point)
Responses
Cells maintain internal stability.
Cells maintain internal stability.
Cells secrete stomach enzymes.
Cells secrete stomach enzymes.
Cells control involuntary movements.
Cells control involuntary movements.
Cells control voluntary movements.
How are muscle cells and bone cells similar?(1 point)
Responses
Both gather information from inside and outside the body.
Both gather information from inside and outside the body.
Both make it possible for you to respond to your environment by moving.
Both make it possible for you to respond to your environment by moving.
Both control involuntary movements such as the beating of your heart.
Both control involuntary movements such as the beating of your heart.
Both release sweat when the temperature gets too warm.
What is the function of an organ system? (1 point)
Responses
to be a basic unit of organization with bodies
to be a basic unit of organization with bodies
to work together to do a specific job
to work together to do a specific job
to control movement in internal organs
to control movement in internal organs
to organize a group of similar cells
Which is most complex?(1 point)
Responses
cells
cells
organ system
organ system
organs
organs
tissues
Which organ of the respiratory system is located inside the lungs?(1 point)
Responses
bronchioles
bronchioles
nasopharynx
nasopharynx
trachea
trachea
larynx
Which organ in the excretory system filters blood?(1 point)
Responses
kidney
kidney
bladder
bladder
ureter
ureter
urethra
What is the term for changes in the internal or external environment that cause a response?(1 point)
Responses
signals
signals
messages
messages
nerves
nerves
stimuli
stimuli
Question 20
How do signals from sensory neurons reach motor neurons?(1 point)
Responses
Through interneurons in the brain and spinal cord that connect sensory neurons and motor neurons.
Through interneurons in the brain and spinal cord that connect sensory neurons and motor neurons.
Signals from sensory neurons do not get sent to motor neurons.
Signals from sensory neurons do not get sent to motor neurons.
Motor neurons signal for the body to move the signal toward them.
Motor neurons signal for the body to move the signal toward them.
Signals move from dendrite to dendrite towards motor neurons.
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ow are blood cells and stomach cells similar?(1 point) Responses Both secrete enzymes. Both secrete enzymes. Both help with digestion. Both help with digestion. Both help maintain homeostasis. Both help maintain homeostasis. Both send signals in the body.
Both help with digestion.
Which cells carry nutrients from food to the rest of the cells in the body?(1 point)
Responses
nerve cells
nerve cells
blood cells
blood cells
muscle cells
muscle cells
stomach cells