Penis

A penis is the primary sexual organ that male use to inseminate females during sex.

Perineum

The perineum in humans is the space between the anus and scrotum in the male, or frenulum labiorum pudendi in the female. The perineum is the region of the body between the pubic arch and the…

Periods

Periods also known as menstruation is the regular discharge of blood and mucosal tissue from the inner lining of the uterus through the vagina. The menstrual cycle is characterised by the rise and fall of…

Pituitary Gland

The pituitary gland, or hypophysis, is an endocrine gland, about the size of a pea and weighing 0.5 grams (0.018 oz) in humans. It is a protrusion off the bottom of the hypothalamus at the…

Pregnancy

Pregnancy, also known as gestation, is the time during which one or more offspring develops inside a woman. A multiple pregnancy involves more than one offspring, such as with twins. Pregnancy usually occurs by sexual intercourse, but can…