Term
| How are hormones different from chemical mediators in the cells the affect? |
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Definition
They only affect cells with receptors for that hormone
They have a widespread effect |
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Term
| How do chemical mediators and hormones reach the cells? |
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Definition
| Hormones are in the blood and chemical mediators spread by diffusion |
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Term
| How does Acetylcholine contribute to synapses being unidirectional? |
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Definition
| It is released from the presynapse and diffuses down a concentration gradient and binds to receptors on the postsynapse |
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Term
| How are nervous responses different to hormonal responses? |
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Definition
| They are quicker and have a shorter duration |
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