Question

During erection, thepenis enlarges and stiffens due to: A. urethra filling up with semen B. cavernous...

During erection, thepenis enlarges and stiffens due to:

A. urethra filling up with semen

B. cavernous bodies filling up with blood

C. proliferation of cavernous bodies

D. temporary proliferation of its cells

Science   Anatomy-And-Physiology   
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Answer #1

Option B- cavernous bodies filling up with blood

Erection of p-enis in which P-enis enlarges and Stiffens is due to cavernous bodies filling up with blood .

Inside the P-enis,There are 2 Chambers called corpora Cavernosa which is Lateral to Deep artery of p-enis.It Extend from the P-enis Head deep to Pelvis.

These Corpora cavernosa is made up of Spongy tissues so that it can be enlarged .During Erection it Recieves More blood volume and grow in Size ---P-enis become Enlarged and stiffended

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