Sex is the trait that determines whether a sexually reproducing organism produces male or female gametes. During sexual reproduction, a male and a female...

Look up sex in Wiktionary, the free dictionary. Sex is the biological distinction of an organism between male and female. Sex or SEX may also refer to:...

vaginal sex, anal sex, and oral sex (mouth-on-genital or mouth-on-anus). Sex acts may also be part of a fourth category, digital or manual sex, which is...

Same-sex marriage, also known as gay marriage, is the marriage of two people of the same legal sex. As of 2024,[update] marriage between same-sex couples...

Anal sex or anal intercourse is generally the insertion and thrusting of the erect penis into a person's anus, or anus and rectum, for sexual pleasure...

Sexing or gender identification is the process of determining the sex of an individual animal. Through sexing, biologists and agricultural workers determine...

Cunnilingus is oral sex performed on the vulva while fellatio is oral sex performed on the penis. Anilingus, another form of oral sex, is oral stimulation...

Free sex can refer to: Promiscuity, undiscriminating casual sex with many sexual partners Group sex Human sexual activity that does not cost money (as...

reproduction, or both. This is also known as vaginal intercourse or vaginal sex. Sexual penetration has been known by humans since the dawn of time, and...

sex toy is an object or device that is primarily used to facilitate sexual pleasure, such as a dildo, artificial vagina or vibrator. Many popular sex...