Term
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Definition
| Smaller divisions of axons and dendrons. |
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Term
| Which ions are involved in action potentials? |
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Definition
| Sodium (Na+) and potassium (K+) ions |
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Term
| Why do ions not move freely across membranes? |
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Definition
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Term
| What is the value for resting potential? |
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Definition
| Between -65 and -70 mV (millivolts) |
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Term
| What are intrinstic proteins? |
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Definition
| Those proteins in cell membranes that are across the complete depth of the membrane. |
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Term
| Why do action potentials only move in one direction? |
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Definition
| There is a period of time before which sodium gated channels can re-open. This is known as the refractory period. |
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Term
| How does the potential difference (p.d.) change during action potentials? |
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Definition
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Term
| In which direction do impulses flow? |
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Definition
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