Storyline MD2

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Storyline MD2

• The drug action of ethanol.

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The nervous system
Central nervous system brain and spinal cord
Detectors
Effectors
Stimulus
Response
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Nerve cells - neurons
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Electrical signal nerve impulse.
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7
Nerve at rest.
K
K
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Nerve at rest.
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Na
Na
Na
Nerve fires.
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Electrical signal nerve impulse.
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Cl-
Nerve inhibited.
Cl-
Cl-
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