What is the function of the excratory system?(1 point)
Responses
This system is responsible for taking in oxygen and removing carbon dioxide.
This system is responsible for taking in oxygen and removing carbon dioxide.
This system is responsible for transporting blood throughout the body.
This system is responsible for transporting blood throughout the body.
This system is responsible for digestion.
This system is responsible for digestion.
This system is responsible for removing waste in the body.
17 answers
This system is responsible for removing waste in the body.
Which organ is responsible for absorbing nutrients needed by the body?(1 point)
Responses
Esophagus
Esophagus
Large intestine
Large intestine
Stomach
Stomach
Small intestine
Responses
Esophagus
Esophagus
Large intestine
Large intestine
Stomach
Stomach
Small intestine
Small intestine
When you get home, you smell cookies baking. You respond by walking toward the kitchen. Many signals move through your nervous system in this process. Which component is involved first? (1 point)
Responses
axons in your motor neurons
axons in your motor neurons
dendrites in your motor neurons
dendrites in your motor neurons
axons in your sensory neurons
axons in your sensory neurons
dendrites in your sensory neurons
Responses
axons in your motor neurons
axons in your motor neurons
dendrites in your motor neurons
dendrites in your motor neurons
axons in your sensory neurons
axons in your sensory neurons
dendrites in your sensory neurons
Dendrites in your sensory neurons
What part of a nerve cell, a neuron, is responsible for receiving messages from other neurons?(1 point)
Responses
Axon
Axon
spinal cord
spinal cord
Dendrite
Dendrite
Cell body
Responses
Axon
Axon
spinal cord
spinal cord
Dendrite
Dendrite
Cell body
Dendrite
Which of the following observations could you make based on stimuli to your thermoreceptors?(1 point)
Responses
The ice cream is sweet.
The ice cream is sweet.
The ice cream is white.
The ice cream is white.
The ice cream is cold.
The ice cream is cold.
The ice cream is heavy.
Responses
The ice cream is sweet.
The ice cream is sweet.
The ice cream is white.
The ice cream is white.
The ice cream is cold.
The ice cream is cold.
The ice cream is heavy.
The ice cream is cold.
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 shrink because the muscles relax.
Her pupils shrink because the muscles relax.
Her pupils grow because the muscles contract.
Her pupils grow because the muscles contract.
Her pupils shrink because the muscles contract.
Her pupils shrink because the muscles contract.
Her pupils grow because the muscles relax.
Responses
Her pupils shrink because the muscles relax.
Her pupils shrink because the muscles relax.
Her pupils grow because the muscles contract.
Her pupils grow because the muscles contract.
Her pupils shrink because the muscles contract.
Her pupils shrink because the muscles contract.
Her pupils grow because the muscles relax.
Her pupils shrink because the muscles contract.
Which part of the eye uses muscles that open and close to allow more or less light to pass through the pupils? (1 point)
Responses
Iris
Iris
Retina
Retina
Cornea
Cornea
Sclera
Responses
Iris
Iris
Retina
Retina
Cornea
Cornea
Sclera
Iris
How do wolves maintain homeostasis during cold winter nights? (1 point)
Responses
They find shelter that blocks them from the wind.
They find shelter that blocks them from the wind.
Their metabolism speeds up to produce heat.
Their metabolism speeds up to produce heat.
Their thick fur retains heat.
Their thick fur retains heat.
All of the above.
All of the above.
Question 2
hich example shows an organism that cannot reach homeostasis through internal changes? (1 point)
Responses
A person gets a fever in response to a flu infection.
A person gets a fever in response to a flu infection.
Circulation decreases in a bird when it becomes too warm.
Circulation decreases in a bird when it becomes too warm.
A dog shivers when it is too cold.
A dog shivers when it is too cold.
A lizard is cold, and it moves to a sunny rock to warm up.
Responses
They find shelter that blocks them from the wind.
They find shelter that blocks them from the wind.
Their metabolism speeds up to produce heat.
Their metabolism speeds up to produce heat.
Their thick fur retains heat.
Their thick fur retains heat.
All of the above.
All of the above.
Question 2
hich example shows an organism that cannot reach homeostasis through internal changes? (1 point)
Responses
A person gets a fever in response to a flu infection.
A person gets a fever in response to a flu infection.
Circulation decreases in a bird when it becomes too warm.
Circulation decreases in a bird when it becomes too warm.
A dog shivers when it is too cold.
A dog shivers when it is too cold.
A lizard is cold, and it moves to a sunny rock to warm up.
All of the above.
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.
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