Ten More Fascinating Body Facts

From the age of thirty, humans gradually begin to shrink in size.
Most people lose fifty per cent of their taste buds by the time they reach age sixty.
Your body contains enough iron to make a spike strong enough to hold your weight.
The amount of carbon in the human body is enough to fill about 9,000 'lead' pencils.
One square inch of human skin contains 625 sweat glands.
The surface area of a human lung is equal to that of a tennis court.
Give a tennis ball a hard squeeze and you use about the same amount of force your heart uses to pump blood around your body.
When you blush, your stomach lining also reddens.
The human body has less muscles in it than a caterpillar.
Your eyes blink enough times in a lifetime to see blackness for over a year.

Ten Interesting Facts About Humans

1. The surface area of a human lung is equal to a tennis court.
2. Sneeze outputs usually exceed 100 mph.
3. Approximately 75% of human waste is made of water.
4. The average person expels flatulence 14 times each day.
5. Earwax production is necessary for good ear health. It protects the delicate inner ear from bacteria, fungus, dirt and even insects. It also cleans and lubricates the ear canal.
6. Babies are always born with blue eyes. The melanin in a newborn’s eyes often needs time after birth to be fully deposited or to be darkened by exposure to ultraviolet light, later revealing the baby’s true eye color.
7. Every human spent about half an hour as a single cell.
8. After eating too much, your hearing is less sharp.
9. Women can smell better than men. (which is different than women do smell better than men.)
10. Your nose can remember 50,000 different scents.