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- Path: sparky!uunet!ogicse!decwrl!concert!uvaarpa!vdoe386!rvgs!jpalmier
- From: jpalmier@rvgs.vak12ed.edu (Jim Palmieri)
- Newsgroups: sci.misc
- Subject: Re: Evolutionary basis for involuntary erections
- Message-ID: <1992Nov05.160937.13599@rvgs.vak12ed.edu>
- Date: 5 Nov 92 16:09:37 GMT
- Article-I.D.: rvgs.1992Nov05.160937.13599
- References: <1d1oc9INN3v5@agate.berkeley.edu>
- Organization: Virginia's Public Education Network (Roanoke)
- Lines: 18
-
- jhcooper@ocf.berkeley.edu writes:
- > Does anyone know any survival advantage of involuntary erections of
- > the penis rather than voluntary control of erections?
- >
- Erection of the peniscan be elicited by a variety of stimuli
- caused by blood flow under the control of the parasympathetic
- nervous system. The parasympathetic nervous system is a
- subdivision of the autonomic nervous system. The other brance
- is the sympathetic. Parasympathetic NS stimulates erection
- while the sympathetic stimulates ejaculation. Both are
- physiologically distinct systems. Investigate the functions of
- noth these and the reasons should become obvious. Dr. Jim
- Palmieri
- --
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- Dr. Jim Palmieri
-