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13.09.2020 12:45
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might not feel good. Effects of sex on the body In the 1960s, sex researchers William Masters and Virginia Johnson identified four distinct phases of sexual arousal, each with unique effects on the body. Their research has led to the common use of these four categories to explain sexual response: 1. Desire or excitement The pleasurable sensations a person feels during sex come from many different parts of the body. During the desire phase, the tissue in the penis, vagina, pelvis, vulva, and clitoris fill with blood. This increases the sensitivity of nerves in these areas of the body. This blood flow also creates a fluid called transudate, which lubricates the vagina. Muscles throughout the body begin contracting. Some people breathe more rapidly or develop flushed skin due to the increased blood flow. 2. Plateau During the plateau stage, a person's arousal continues to intensify. The vagina, penis, and clitoris . |
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