Which of the following physiological situations describes what occurs during an erection?

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    Penis arterioles are dilated while the veins are constricted, resulting in decreased blood flow to the penis.
    Penis arterioles are constricted while the veins are dilated, resulting in increased blood flow to the penis.
    Penis arterioles are dilated while the veins are constricted, resulting in increased blood flow to the penis.
    Penis arterioles are constricted while the veins are dilated, resulting in decreased blood flow to the penis.

asked May 30, 2013 in Biology by anonymous
    

1 Answer

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Penis arterioles are dilated while the veins are constricted, resulting in increased blood flow to the penis.
answered May 31, 2013 by Bioshare ~Top Expert~ (34,070 points)



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