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adrian the hamster
nervous communitcation
| Question | Answer |
|---|---|
| did adrian have any choice over the name? | NO |
| Neurones transmit impulses as what kind of signal? | electrical |
| Waht is different about nerve cells as apposed to any other cell in the body? | They cannot regenerate |
| The resting potential in the plasma membrane of the axon is produced and maintained by the ...? | Sodium-potassium pump |
| What is the resting potential of a neurone? | -40 mV |
| What is the difference between a sensory and a motor neurone? | their cell bodies are in different places |
| what is the insulation of an axon called? | myelinated sheath/schwann cell |
| how does the relfex arc work? | input from receptor-->travels along the motor neurone-->action potential moves from the motor neurone to the intermediate neurone--> action potential moves from intermediate neurone to the sensory neurone--> output to effector |
| what is the action potential? | a fleeting reversal of the resting potential across the plamsa membrane of a neurone, which rapidly travels along its length |
| what is the axon? | a long cytoplasmic process of a neurone, that conducts action potentials away from the cell bodies. |
Created by:
angela.mak