Sexual intercourse , also called coitus or copulation , reproductive act in which the male reproductive organ in humans and other higher animals enters the female reproductive tract. In some vertebrates, such as fish , eggs are laid outside of the body and fertilized externally. To accomplish internal copulation, certain body and organic adaptations are necessary. In the human male, the penis serves both excretory and reproductive functions. During intercourse, the blood flow is temporarily increased and trapped in the penis so that it becomes enlarged and elevated, a condition known as erection. 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.
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Human sexual intercourse
See more words from the same year Dictionary Entries near sexual intercourse sexual favors sexual generation sexual harassment sexual intercourse sexualism sexual isolation sexualist. Accessed 25 Dec. Keep scrolling for more More Definitions for sexual intercourse sexual intercourse. Please tell us where you read or heard it including the quote, if possible.
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Human sexual intercourse
Satisfactory sexual intercourse for couples lasts from 3 to 13 minutes, contrary to popular fantasy about the need for hours of sexual activity, according to a survey of U. Thirty-four, or 68 percent, of the group responded and rated a range of time amounts for sexual intercourse, from penetration of the vagina by the penis until ejaculation, that they considered adequate, desirable, too short and too long. The average therapists' responses defined the ranges of intercourse activity times: "adequate," from minutes; "desirable," from minutes; "too short" from minutes; and "too long" from minutes. Many men and women seem to believe the fantasy model of large penises, rock-hard erections and all-night-long intercourse. Past research has found that a large percentage of men and women, who responded, wanted sex to last 30 minutes or longer.
Sexual intercourse or coitus or copulation is sexual activity typically involving the insertion and thrusting of the penis into the vagina for sexual pleasure , reproduction , or both. There are different views on what constitutes sexual intercourse or other sexual activity , which can impact on views on sexual health. Various jurisdictions place restrictions on certain sexual acts, such as incest , sexual activity with minors , prostitution , rape , zoophilia , sodomy , premarital and extramarital sex. Religious beliefs also play a role in personal decisions about sexual intercourse or other sexual activity, such as decisions about virginity ,   or legal and public policy matters. Religious views on sexuality vary significantly between different religions and sects of the same religion, though there are common themes, such as prohibition of adultery.
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