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10 Cards in this Set
- Front
- Back
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Signals travel very fast to specific effectors, lead to nearly instant responses |
Nervous System |
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Body systems, single or multi-cellular? |
Multi-cellular |
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characteristics of the nervous system |
responses are rapid short in duration precisely located require energy pathways involve neurons and electro-chemical transmission |
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what are neurons? |
specialised nerve cells |
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what are electro-chemical transmissions? |
transmitters |
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The two parts of the nervous system are called |
The central nervous system (cns) and the peripheral nervous system (pns) |
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What does the CNS include |
The brain and the spinal cord. |
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What does the CNs do |
Makes sense out of the messages it receives and responds by the muscles and glands |
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What does the PNS include |
bundles of nerves that are spread through the whole body |
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What does the PNS do |
relay messages between the sense organs, the CNS, muscles and glands. |
