My 13 yr old grandchild, when he woke this morning he asked me why does his private area stick straight up like that every morning? I said: ask your granddad. he said: no thanks. I will look it up. So I am asking because I don't know why the male childs penis stick up first thing in the morning?
2007-03-19 00:38:15 · 2 answers · asked by Anonymous in Social Science ➔ Psychology
it is because blood rushes through his system as he wakes up causing an erection, tell him it will probably happen for the most of his life and its completely natural and nothing to be ashamed about
2007-03-19 00:42:21 · answer #1 · answered by alaniss2 2 · 1⤊ 0⤋
We have both a voluntary nervous system (for deliberate bodily actions), and an involuntary nervous system (which operates wihtout conscious control). The involuntary system is subdivided into two parts: sympathetic and parasympathetic. The sympathetic system is stimulating, and energizes the system. The parasympathetic is relaxing. During sleep, it is the parasympathetic system that is predominant, which causes bodily blood vessels to dilate (expand).
This expansion of blood vessels operates to produce the nightime erections. Males have several ( about 5) of these each night, corresponding to the REM (dream sleep) period. The last such period is at the time of waking up.
2007-03-19 00:52:19 · answer #2 · answered by DinDjinn 7 · 1⤊ 0⤋