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A member asked:
My question is what causes one to get erections?
A doctor has provided 1 answer
Per Wikipedia:: "The arteries dilate causing the corpora cavernosa of the penis (and to a lesser extent the corpora spongiosum) to fill with blood; simultaneously the ischiocavernosus and bulbospongiosus muscles compress the veins of the corpora cavernosa restricting the egress and circulation of this blood. "
Answered 11/5/2014
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