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colleen colleen
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11 years ago
Which of the following occurs during an erection?
A) The sympathetic nervous system constricts the veins leaving the penis.
B) Blood fills the corpora spongiosum, causing it to engorge.
C) The veins of the corpora cavernosa dilate.
D) The parasympathetic nervous system dilates the arteries going into the penis.
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padrepadre
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11 years ago
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11 years ago
Quote from: padre (11 years ago)
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