exercise_nervous_II_topic_2

exercise_nervous_II_topic_2 - The Nervous System II Anatomy...

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The Nervous System II: Anatomy Review 1. The somatic nervous system stimulates ____________ muscle. The autonomic nervous system stimulates ___________ muscle, ____________ muscle, and ___________. 2. The autonomic nervous system (ANS) consists two divisions, each innervating the effector organs. The sympathetic nervous system (SNS) generally speeds up everything except digestion. The parasympathetic nervous system (PNS) generally slows down everything but digestion. Signals from the SNS cause the heart rate to _________, while signals from the PNS cause the heart rate to ___________. Signals from the SNS cause smooth muscles of the intestine to _________ contractions, while signals from the PNS cause these muscles to _________ contractions. Signals from the SNS also cause the adrenal gland to _________ epinephrine and norepinephrine. 3. Neurons can excite or inhibit another neuron. Exciting another neuron will increase the chances of a/an ___________________ in the second neuron. Inhibiting another neuron will make the chances of a/an __________________ less likely.
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