1)All the data contained in the DNA would fill a 1000 volume encyclopedia

2) Every time you sneeze some of your brain cells die.

3)If all the blood vessels in the body were straightened out and placed end_to_ end they would be long 1,00,00 miles long!

4)Turtles have been on earth for more than 180 million years

5) No of Alphabets, which SOUND AS WORDS: 10, They are 

B Bee
C Sea
G Zee
I Eye
Q Queue
R Are
S Yes
T Tea
U You
Y Why

6) A BUTTERFLY has 12,000 eyes.

7) A BLUE WHALE can eat as much as 3 tonnes of food everyday, but at the same time can live without food for 6 months.

8)The chineese guarded the secret of making silk for 3000 years.Anyone found revealing the truthwould be put to death as a traitor..

9) The chameleon’s tongue is as long as it’s body!It swiftly shoots out its tongue to capture insects for food.

10)The sound you hear when you crack your knuckles is actually the sound of nitrogen gas bubbles bursting.
11) It takes about 20 seconds for a red blood cell to circle the whole body.

12) The average person laughs 13 times a day.

13) The tongue of a blue whale is as long as an elephant.