A MAN’S RESPONSE TO SEX: THE PENIS BECOMES ERECT
When a man becomes excited, his reactions, just like a woman’s, are not confined solely to his sex organs. Excitement begins in the brain, when a man becomes aroused by something either real or imagined. A man is aroused by mainly visual stimuli; clothing and make-up, as well as the sight of naked or semi-naked female bodies, turn him on. A man readily becomes conditioned by his experiences; objects or circumstances associated with sex may elicit arousal, also. In this way, without any physical contact, male arousal occurs frequently and rapidly.
The Penis Becomes Erect-Messages from the brain travel down the spinal cord to the genitals and shut off the outflow of blood from the penis, and this brings about an erection. A man’s usually limp, downward-hanging organ becomes a rigid, upward-pointing, dusky coloured, throbbing one with prominent veins.
Erection can be easily interrupted by non-sexual stimuli, even though sexual stimulation is continued. Any form of mental distraction, a sudden loud noise, or a change in temperature or lighting, may result in partial, or even complete, loss of erection.
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