KATAWAN MO!

The average duration of sexual intercourse for humans is 2 minutes.

The average human body contains enough: iron to make a 3 inch nail, sulfur to kill all fleas on an average dog, carbon to make 900 pencils,
potassium to fire a toy cannon, fat to make 7 bars of soap, phosphorous to make 2,200 match heads, and water to fill a ten-gallon tank.

The average human produces 25,000 quarts of spit in a lifetime, enough to fill two swimming pools.

The average person releases nearly a pint of intestinal gas by flatulence every day. Most is due to swallowed air. The rest is from fermentation of undigested food.

The body's largest internal organ is the small intestine at an average length of 20 feet

The feet account for one quarter of all the human bodies bones.

The human body has enough fat to produce 7 bars of soap.

The human body has over 600 muscles, 40% of the body's weight.

The human brain is about 85% water.

The largest cell in the human body is the female ovum, or egg cell. It is about 1/180 inch in diameter. The smallest cell in the human body is the male sperm. It takes about 175,000 sperm cells to weigh as much as a single egg cell.

The largest cell in the human body is the female reproductive cell, the ovum. The smallest is the male sperm.

The largest human organ is the skin, with a surface area of about 25 square feet.

The left lung is smaller than the right lung to make room for the heart.

The little lump of flesh just forward of your ear canal, right next to your temple, is called a tragus.

The longest muscle in the human body is the sartorius. This narrow muscle of the thigh passes obliquely across the front of the thigh and helps rotate the leg to the position assumed in sitting cross-legged. Its name is a derivation of the adjective "sartorial," a reference to what was the traditional cross-legged position of tailors (or "sartors") at work.

The most common blood type in the world is Type O. The rarest, Type A-H, has been found in less than a dozen people since the type was discovered.

The Neanderthal's brain was bigger than yours is.