Interesting and informative.

1 If you are right handed, you will tend to chew your food on your right side. If you are left handed, you will tend to chew your food on your left side.
2 If you stop getting thirsty, you need to drink more water. For when a human body is dehydrated, its thirst mechanism shuts off.
3 Your tongue is germ free only if it is pink. If it is white there is a thin film of bacteria on it.
4 The pupil of the eye expands as much as 45 percent when a person looks at something pleasing.
5 Laughing lowers levels of stress hormones and strengthens the immune system. Six-year-olds laugh an average of 300 times a day. Adults only laugh 15 to 100 times a day.

6 Dalmatians are born without spots.
7 Bats always turn left when exiting a cave.
8 The 'v' in the name of a court case does not stand for 'versus', but for 'and' (in civil proceedings) or 'against' (in criminal proceedings)
9 Men's shirts have the buttons on the right, but women's shirts have the buttons on the left
10 The reason honey is so easy to digest is that it's already been digested by a bee.

11 Roosters cannot crow if they cannot extend their necks
12 Every time you sneeze some of your brain cells die
13 When hippos are upset, their sweat turns red
14 Google is actually the common name for a number with a million zeros
15 The attachment of the human skin to muscles is what causes dimples

16 Human hair and fingernails continue to grow after death
17 The plastic things on the end of shoelaces are called aglets
18 Most soccer players run 7 miles in a game
19 The only part of the body that has no blood supply is the cornea in the eye. It takes in oxygen directly from the air
20 In most watch advertisements the time displayed on the watch is 10:10 because then the arms frame the brand of the watch (and make it look like it is smiling).

21 The only 2 animals that can see behind itself without turning its head are the rabbit and the parrot
22 Women blink nearly twice as much as men
23 If a statue in the park of a person on a horse has both front legs in the air, the person died in battle; if the horse has one front leg in the air, the person died as a result of wounds received in battle; if the horse has all four legs on the ground, the person died of natural cause.
24 The human heart creates enough pressure while pumping to squirt blood 30 feet!!

and last one is the best...

25. A real diplomat is someone who can tell you to go to hell in such a way that you will look forward to the trip.