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12 Cards in this Set
- Front
- Back
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What is the spinal cord?
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the thick column of nerve tissue that links the brain to most of the nerves in the PNS
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What is the course of a nerve impulse?
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through spinal cord>brain that directs response>spinal cord>PNS
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What are the types of neurons in your brain?
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Internuerons
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Describe the brains structure.
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-3 connective tissue layers cover
-in between outermost layer and middle layer is a watery fluid that protect brain from injury -surrounded by skull |
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How many regions does the brain have and what are they?
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three: cerebrum, cerebellum, brainstem
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What is the cerebrum?
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the largest region...it interprets iput from the senses, controls movemnet of skeletal muscles, and carries out complex mental processes
has two halves:right and left |
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What does the right half of the cerebrum do?
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contains neurons that send impulses to skeletal muscles on the left side of the body
-controls artistic ability and creativity |
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What does the left half or youyr cerebrum do?
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controls the right half of your body
-controls mathmatical skills, speech, writing and logical thinking |
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What is the cerebellum?
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the second largest part of your brain that coordinates the actions of your muscles and helps keep your balance
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What is the brainstem?
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lies between cerebellum and spinal cord
controls your bodys involuntary actions(breathing and heartbeat) |
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What is your vertebral column and spinal cord?
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-center of back
-vertebral column surrounds/protects spinal cord - spinal cord is a link between brain and PNS -protected by a watery fluid |
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Wha does the PNS consist of?
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a network of nerves that branch out from the CNS and connect it to the rest of the body
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