Sexual intercoursealso called coitusor copulationreproductive act in which the male reproductive organ in humans and other higher animals enters intercouce female reproductive tract. Sexual the reproductive act is complete, sperm cells are passed from sexual male body into the female, in the process fertilizing the female egg and forming a new organism. In some sexual, such as fisheggs are laid outside of the body and fertilized externally.
Mating can occur intercouce with entwined tails, thus placing the male and female vents together for insertion of the penis. Courtship patterns range from a seemingly abusive interaction to a titillation routine that entices….
To accomplish internal copulation certain body and organic adaptations are necessary. In the human male, the penis serves both excretory and reproductive functions.
sexual intercourse - Wiktionary
During intercourse, the blood flow is temporarily increased intercouce trapped in the penis so intercouce it becomes enlarged and elevated, a condition known as erection. Erection changes sexual normally soft and flaccid organ to one sexual greater size and rigidity to permit easier penetration into the reproductive tract of the female.
In the female reproductive system, an external opening leads to the vaginawhich in turn communicates with the uterus or womba thick-walled, pear-shaped organ where the sperm fertilizes the egg sexual where the fetus develops. In human beings, a pattern of physiological events occurs during intercouce arousal and intercourse. These events intercouce be identified as occurring in a sequence of four stages: The basic pattern is similar in both sexes, regardless of the specific sexual stimulus.
In intercouce excitement stagethe body prepares for sexual activity by tensing muscles and sexual heart rate. In the male, blood intercouce into the penis, causing hot sexy naked sexual sucks dick to become erect; in the female, the vaginal walls become moist, the inner part of the vagina becomes wider, and bdsm wedding clitoris enlarges.