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10 Cards in this Set
- Front
- Back
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electrical current communication
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use electrical impulses to send messages/commands throughout the body
-provides a FAST communication system |
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all animals except sponges
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have a nervous system
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simplest animals with brains
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segmented worm (earthworms
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bioelectrical impulses generated by the
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movement of IONS
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atoms that have
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gained or lost electrons
exampls: NA, K, Cl, Ca |
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central nervous system (cns)
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brain and spinal cord
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peripheral nervous system (PNS)
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all the nerves radiating out from CNS
-cranial nerves -spinal nerves |
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nervous system functions
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sensory function
integrative function motor function |
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sensory function
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detect whats happening inside and outside
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integrative function
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perception, analysis, info storage
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