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31 Cards in this Set
- Front
- Back
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What are the 2 divisions of the nervous system? |
Central Nervous System AND Peripheral Nervous System |
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What 2 organs make up the central nervous system? |
The BRAIN and the SPINAL CORD |
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What are the 3 parts of the brain? |
The 3 parts of the brain are: CEREBRUM CEREBELLUM BRAIN STEM |
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What part of the brain is in charge of voluntary movement and the 5 senses? |
CEREBRUM |
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What part of the brain is in charge of balance and muscle coordination? |
CEREBELLUM |
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What part of the brain is in charge of involuntary actions like breathing and heart rate? |
BRAIN STEM |
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What does the spinal cord do? |
the spinal cord is the pathway for messages sent by the brain to the body and from the body to the brain. |
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What makes up the peripheral nervous system? |
Made up of nerves and neurons branching outside of the spinal cord |
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What are the 2 types of peripheral nerves? |
SENSORY NERVOUS CELLS and MOTOR NERVOUS CELLS |
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What is the type of cell that is found in the nervous system? |
Neurons (nerve cells) and Neuroglia (glia) |
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Eye Question: What is sclera? |
The white part of your eyes that allows muscles to attach to your eyeball |
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Eye Question: What do the cones do? |
They allow you to see color |
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Eye Question: What do the rods do? |
They allow you to see in the dark |
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Eye Question: What is tapetum? |
Only in nocturnal animals - it is located behind the retina and it helps animals see in the dark |
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Eye Question: What is vitreous gel? |
Thick.clear jelly that gives the eye its shape |
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Eye Question: What does the optic nerve do? |
Carries messages from the retina to the brain |
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Eye Question: What does the retina do? |
It is a sheet of light-sensitive cells that line the back of the eye - it is connected to the brain by the optic nerve |
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Eye Question: What does the iris do? |
The iris regulates the amount of light that enters the eye |
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Eye Question: That does the lens do? |
It is flexible and focuses light into the retina. It turns images upside down and backwards. |
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Eye Question: What does the pupil do? |
It is a hole that lets light into the eye - BIG = dark LITTLE = light |
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Eye Question: What is the Aavegus humor? |
It is made of protein and water and helps give the eye its' shape |
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Eye Question: What does the cornea do? |
It covers the front of the eye for protection - begins to bend light to make an image |
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Ear Question: What dies the ear drum do? |
It is thin, stretched across the ear canal and it vibrates |
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Ear Question: What are semicircular canals? |
They are filled with ducts in the inner ear. They control balance and send messages to the brain. |
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Ear Question: What does the auditory nerve do? |
It carries signals of sound waves to the brain |
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Ear Question: What is the cochlia? |
bony fluid spiral lined with cells |
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Ear Question: What does the stirrup do? |
The stirrup vibrates against the thin membrane that covering the ear |
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Ear Question: What does the anvil do? |
The anvil hits the stirrup after hammer hits it. |
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Ear Question: What does the hammer do? |
It moves when the ear vibrates. It hits the anvil. |
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Ear Question: What does the ear canal do? |
It is a tunnel that directs sound waves to the inner ear. |
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Ear Question: What does the pinna do? |
It acts like a funnel to catch sound waves. |
