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 Facts about the Human Body

Blood vessels in a human body can be as long as 60,000 miles.
Humans are born with over 300 bones, but this number reduces to 206 in adults because some naturally fuse together as we grow.
Of the 206 bones, 106 are located in the hands and feet.
The liver is the largest solid organ and it contains 10% of the blood in a human body.
The stirrup bone in the middle ear is the smallest bone in the human body and is about .11 inches long.
The average person has 100,000 hairs on his or her head. Hair grows about five inches per year.
The strongest muscle in the human body is the tongue in proportion to its size. The hardest bone is the jawbone.
The tooth is the only part of the human body that can not repair itself.
It takes twice as long to lose new muscle if you stop working out than it did to gain it.
We use 200 muscles to take one step and we average 10,000 steps a day.