In erectile tissue, impulses from the __________Blank nervous system cause __________Blank of the arteries and subsequent __________Blank of the veins. Consequently, blood accumulates in the erectile tissue, producing an erection.Multiple Choicesympathetic; constriction; dilationparasympathetic; constriction; dilationsympathetic; dilation; constrictionparasympathetic; dilation; constriction
Question
In erectile tissue, impulses from the __________Blank nervous system cause __________Blank of the arteries and subsequent __________Blank of the veins. Consequently, blood accumulates in the erectile tissue, producing an erection.Multiple Choicesympathetic; constriction; dilationparasympathetic; constriction; dilationsympathetic; dilation; constrictionparasympathetic; dilation; constriction
Solution
The correct answer is "parasympathetic; dilation; constriction".
Here's the step by step explanation:
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The parasympathetic nervous system is responsible for the body's rest and digest function. It's the one that gets activated during moments of calm and relaxation, which includes sexual arousal.
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When sexual arousal occurs, the parasympathetic nervous system sends impulses to the erectile tissue.
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These impulses cause the dilation (widening) of the arteries in the penis. This allows more blood to flow into the erectile tissue.
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At the same time, the impulses cause the constriction (narrowing) of the veins. This prevents the blood from flowing out of the erectile tissue.
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As a result, blood accumulates in the erectile tissue, leading to an erection.
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