Top 10 Blood Facts

Blood is an important fluid in humans body. Without blood no one can survive. It's function is to carry oxygen to different parts of the body. If the flow of the blood stops then the body will fail to receive oxygen and the result will be death.This is the general information that we all read in books. But there are so many hidden facts about blood that will help you to increase your knowledge.

1. One pint of donated blood can save up to 3 lives.


2. The blood you donate is sold on the open market and it's a US$4.5 billion per year industry.


3. Someone in the U.S. needs blood every two seconds.


4. A newborn baby has about one cup of blood in his body.


5. HP Printer black ink is more expensive than blood.


6. Only female mosquitoes drink blood, Males are vegetarians.


7. Mosquitoes prefer blood type "O" to any other.


8. There are 100,000 miles of blood vessels in an adult human body.


9. The weird bright dots you see floating when you look at the sky are your white blood cells.


10. Pregnant women have about 50% more blood by week 20 of pregnancy than they did before they conceived.