taylorcangelo taylorcangelo

27-08-2017
Health

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Which of the following statements regarding REM sleep is true? A. REM sleep occurs only during stage 4 sleep. B. REM sleep occurs during stage 3 sleep. C. Dreaming causes major muscle contractions and tossing and turning. D. Roughly 20 percent of adult sleep time is accompanied by REM.

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originalashlee originalashlee

27-08-2017

the answer is C. dreaming causes major muscle contractions triggered by the activation of the alpha motoneurons in the spinal cord.and tossing and turning.

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