Is the creation of sperm cells once the male body has reached puberty. a. Sperm
b. Testosterone
c. Autogenesis
d. Scrotum
e. Penis
f. Spermatogenesis

B Testosterone

Explanation:

During puberty, testosterone and other hormones cause these cells to transform into sperm cells. The cells divide and change until they have a head and short tail, like tadpoles. The head contains genetic material (genes). The sperm move into the epididymis, where they complete their development.

when you rub, you also apply pressure, that pressure can urge the poop to come out. i think that when your rubbing, you also might be slightly breaking it up and that can further fill the stomach.