Sex intercourse

Posted by / 23-Oct-2019 09:09

The basic pattern is similar in both sexes, regardless of the specific sexual stimulus.In the excitement stage, the body prepares for sexual activity by tensing muscles and increasing heart rate.In fact, there are as many nerve endings in the tip of the clitoris as there are in a man's penis!Many of the clitoral nerve endings are subterranean, or below the surface; the visible part of the clitoris is just the tip of the iceberg.A woman's sexual pleasure, and ultimately orgasm, is much more likely to occur from stimulation to the clitoris.

Erection changes the normally soft and flaccid organ to one of greater size and rigidity to permit easier penetration into the reproductive tract of the female.The resolution stage in men contains a refractory period of several minutes to a few hours, during which the man is incapable of further sexual arousal.Women have no such refractory period and can quickly become aroused again from any point in the resolution stage.To accomplish internal copulation certain body and organic adaptations are necessary.In the human male, the penis serves both excretory and reproductive functions.

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In some animals, such as sheep and migratory birds, copulation occurs only seasonally.

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