By age sixty, most people have lost half of their taste buds. Each square inch of human skin consists of twenty feet of blood vessels. Every human spent about half an hour as a single cell. Every person has a unique tongue print. Every square inch of the human body has an average of 32 million bacteria on it.
Fingernails grow faster than toenails.
Fingerprints serve a function - they provide traction for the fingers to grasp things. Humans shed about 600,000 particles of skin every hour - about 1.5 pounds a year. By 70 years of age, an average person will have lost 105 pounds of skin. Humans shed and regrow outer skin cells about every 27 days - almost 1,000 new skins in a lifetime. If it were removed from the body, the small intestine would stretch to a length of 22 feet.