answer:
well the blood rushes to the vessles in your pp (lol) it also happen because u see somthin erotic or pleasing somtimes it happenes by accdent or by purberty or an dream (know an an wet dream)
explanation:
answer:
alrighty thx
explanation:
between the two muscle layers is the myenteric or auerbach's plexus, which controls peristalsis. in the colon, the muscularis externa is much thicker because the feces are large and heavy, requiring more force to push along. the stomach has a third layer of muscularis externa: the inner oblique layer.