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Discovery Health :: Sexual Intercourse |
 | | Sexual intercourse, or coitus, refers in a strict biological sense to the insertion of the male's penis into the female's vagina for the purpose of reproduction. |
 | | These three types of intercourse are: vaginal intercourse, involving vaginal penetration by the penis, possibly to the point of male ejaculation and female orgasm; oral intercourse, involving oral caress of the sex organs (male or female), possibly to the point of orgasm; and anal intercourse, involving insertion of the male's penis into his partner's anus. |
 | | Sexual intercourse is among the most intimate behaviors possible between two people, and, for many people, it is also one of the most pleasurable and emotionally satisfying. |
| health.discovery.com /centers/sex/sexpedia/intercourse.html (514 words) |
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