Term
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Definition
| a specialized cell designed to transmit information to other nerve cells, muscle, or gland cells; basic working unit of the brain |
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Term
| # of neurons in the brain |
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Definition
| 1B to 100B depending on the species |
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Definition
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Term
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Definition
| extend from cell body and receive messages from other neurons |
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Term
| acetylcholine - functions |
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Definition
causes voluntary muscles to retract controls heartbeat also serves as a transmitter in many parts of the brain |
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Term
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Definition
| released by neurons connected to voluntary muscles; opens sodium channels and causes muscle to contract; broken down by acetylcholinesterase and resynthesized in nerve terminal |
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