BELIVE IT OR NOT
An adult men’s body contains about 5L (10.5 pt) of blood.
A woman’s contains about 4.3 L (9.1 pt).
The blood travels along 100,000 km (62,137 miles) of blood vessels.
It contains 25,000,000,000 to 30,000,000,000 red cells.
The life span of red cells is only about 120 days, and 1,200,000 to 2,000,0000 of them are made every second.