26. Fact

You get a new stomach lining every three to four days.

27. Fact

The surface area of a human lung is equal to a tennis court.

28. Fact

Women's hearts beat faster than men's.

29. Fact

Scientists have counted over 500 different liver functions.

30. Fact

The aorta is nearly the diameter of a garden hose.

31. Fact

Your left lung is smaller than your right lung to make room for your heart.

32. Fact

You could remove a large part of your internal organs and survive.

33. Fact

The adrenal glands change size throughout life.

34. Fact

Sneezes regularly exceed 100 mph.

35. Fact

Coughs clock in at about 60 mph.

36. Fact

Women blink twice as many times as men do.

37. Fact

A full bladder is roughly the size of a soft ball.

38. Fact

Approximately 75% of human waste is made of water.

39. Fact

Feet have 500,000 sweat glands and can produce more than a pint of sweat a day.

40. Fact

During your lifetime, you will produce enough saliva to fill two swimming pools.

41. Fact

The average person expels flatulence 14 times each day.

42. Fact

Earwax production is necessary for good ear health.

43. Fact

The largest cell in the human body is the female egg and the smallest is the male sperm.

44. Fact

The three things pregnant women dream most of during their first trimester are frogs, worms and potted plants.

45. Fact

Your teeth start growing 6 months before you are born.

History Facts
Slaves sometimes had to fight to the death in a Roman arena.To make sure they weren't just pretending to be dead, they could be prodded with a red-hot poker and hit on the head with a huge hammer.      .. More >>