Amazing Medical Facts of the Body

26 Most people have lost fifty per cent of their taste buds by the time they reach the age of sixty. 27 The amount of carbon in the human body is enough to fill about 9,000 'lead' pencils. 28 One square inch of human skin contains 625 sweat glands. 29 When you blush, your stomach lining also reddens. 30 The human body has less muscles in it than a caterpillar. 31 Give a tennis ball a good, hard squee ze. You're using about the same amount of force your heart uses to pump blood out to the body. 32 If you could save all the times your eyes blink in one life time and use them all at once you would see blackness for 1.2 years! 33 The life span of a taste bud is ten days. 34 It's impossible to sneeze with your eyes open. 35 The aorta, the largest artery in the body, is almost the diameter of a garden hose. 36. 37 Your body has about 5.6 liters (6 quarts) of blood. This 5.6 liters of blood circulates through the body three times every minute. 38 The heart pumps about 1 million barrels of blood during an average lifetime--that's enough to fill more than 3 super tankers. 39 Babies start dreaming even before they're born. 40 The human body can function without a brain. 41 Humans are the only primates that don't have pigment in the palms of their hands. 42 10% of human dry weight comes from bacteria. 43 There is more bacteria in your mouth than the human population of the United States and Canada combined . 44 Every square inch of the human body has an average of 32 million bacteria on it. 45 A fetus acquires fingerprints at the age of three months 46 You sit on the biggest muscle in your body, the gluteus maximus a.k.a. the butt. Each of the two cheeky muscles tips the scales at about two pounds (not including the overlying fat layer). 47 The tiniest muscle, the stapedius of the middle ear , is just one-fifth of an inch long. 48 The average human head weighs about 10 pounds. 49 The average human brain weighs three pounds. 50 The DNA helix measures 80 billionths of an inch wide.