In biology, sex is a process of combining and mixing genetic traits, often resulting in the specialization of organisms into male and female types (or sexes). Sexual reproduction involves combining specialized cells (gametes) to form offspring that inherit traits from both parents. Gametes can be identical in form and function (known as isogametes), but in many cases an asymmetry has evolved such that two sex-specific types of gametes (heterogametes) exist: male gametes are small, motile, and optimized to transport their genetic information over a distance, while female gametes are large, non-motile and contain the nutrients necessary for the early development of the young organism.
An organism's sex is defined by the gametes it produces: males produce male gametes (spermatozoa, or sperm) while females produce female gametes (ova, or egg cells); individual organisms which produce both male and female gametes are termed hermaphroditic. Frequently, physical differences are associated with the different sexes of an organism; these sexual dimorphisms can reflect the different reproductive pressures the sexes experience.
An organism's sex is defined by the gametes it produces: males produce male gametes (spermatozoa, or sperm) while females produce female gametes (ova, or egg cells); individual organisms which produce both male and female gametes are termed hermaphroditic. Frequently, physical differences are associated with the different sexes of an organism; these sexual dimorphisms can reflect the different reproductive pressures the sexes experience.
by adfasdgfslgjjgerpgrei September 26, 2008
Get the sexmug. errotic pleasure between
1. a woman and a man, involving vagina and dick,
2. a woman and a woman, involving a vagina and anything they want to put in it, or
3. a man and a man, involving a dick and an asshole.
1. a woman and a man, involving vagina and dick,
2. a woman and a woman, involving a vagina and anything they want to put in it, or
3. a man and a man, involving a dick and an asshole.
1. Girl: "I'd take you in my bed, then we would start kissing and our bodies would become closer to each other and I would begin to kiss your neck, then id take off your shirt, and id feel your torso and make sure you really were ripped. Then you would take off my shirt, and id help you with the bra, and youd caress my boobs as I pulled off your pants so that I was on top with you in your boxers. Then I would strip down and be totally nude and shaved, and I would slowly put my hand down your boxers, stimulate your dick, then take off your boxers. Holding your dick you would insert into my vagina, making sure to lightly graze my clit, and you would slowly but surely ease it in. I would hold my breath as you caressed my hips as I came down on you, and you pulled me closer so that we were very tight together, me lying on top of you. I would hold your shoulders for support and thrust my hips forward, being sure to help your dick hit my front wall so that I’m breathing heavily in excitement. We go faster and harder, in and out and your adrenaline is pulsing as we heave. The climax rises for both of us and we both feel the orgasm coming, but we don’t want it to end, so we slow down, breathing hard and catching our breath. then we re-arrange and im half-kneeling and your getting it in doggy-style and this new position hits you and me both in a new way and we bask in the pleasure that rises as you put it in. and out and in and faster and faster until we can't take it any longer and i fucking scream as you cum. we collapse together and hold on tight as we replay the passion and slow our breathing. ya... then we'd be done."
Guy: "thats hott sex"
2. Carrie had sex with Lindsay last night to turn on Joe and Bryan, isnt that retarded?
3. Phil had sex with Paul because they were life partners and loved each other.
Guy: "thats hott sex"
2. Carrie had sex with Lindsay last night to turn on Joe and Bryan, isnt that retarded?
3. Phil had sex with Paul because they were life partners and loved each other.
by Emma_aint_high January 3, 2008
Get the sexmug. For women:
1. A way to rebel.
2. A way to seduce a man to give her money, jewelry, etc.
3. A way to make a living.
4. A way to get pregnant.
5. A way to celebrate the emotional love between her & her SO (who might very well be a guy who will use her for a ONS).
For men: The funnest thing in the world.
1. A way to rebel.
2. A way to seduce a man to give her money, jewelry, etc.
3. A way to make a living.
4. A way to get pregnant.
5. A way to celebrate the emotional love between her & her SO (who might very well be a guy who will use her for a ONS).
For men: The funnest thing in the world.
by Hannibal Lector42 July 25, 2011
Get the sexmug. 1. The type or gender of something
2. To strip down in front of the opposite gender and fuck each other
2. To strip down in front of the opposite gender and fuck each other
by ??? May 13, 2005
Get the Sexmug. by baby maker pro April 29, 2008
Get the sexmug. by Steven Baily May 13, 2005
Get the sexmug. A situational act generally described as sex. A sexual activity performed by two or more people. As events rise the definition of sex itself will differ, often unbalancing the mental, spiritual, and physical aspects of it.
Sex is usually used as a tool for fleshly gratification (the physical, to fuck), to feel wanted (the mental, to have sex), and love making (the spiritual, to make love). Sex also does not have to involve penetration, such as oral sex, yet it's common. The most common would be vaginal penetration or anal penetration of the penis.
Sex is usually used as a tool for fleshly gratification (the physical, to fuck), to feel wanted (the mental, to have sex), and love making (the spiritual, to make love). Sex also does not have to involve penetration, such as oral sex, yet it's common. The most common would be vaginal penetration or anal penetration of the penis.
by -Synthetik- January 23, 2007
Get the sexmug.