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nervous system (drugs that affect the brain (marijuana, heroine, alcohol,…
nervous system
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reflex arc
- synapse/ interneuron integration center-> connection between sensory neuron and motor neuron
- moto neuron-> delivers response to target organ
- sensory/afferentneuron-> sends signal to CNS
- effector-> target organ responds to signal
- sensory receptor ->nerve ending detects stimulus
lobes
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parietal lobe
size, shape, color, pain, temperature, and speech
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action potential
- if strong enough depolarization occurs, threshold potential is reached and impulse is sent down axon
- strong enough stimulation/ stimulus causes Na+ gates to open -> Na+ rush
- K+ rush out of neuron after Na+ rushes in, depolarizes membrane
- membrane is hypolarized- too many K+leave the cell membrane potential dips below rating potential
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