Do you know your body?

That 50,000 of the cells in your body will die and replace with new cells, all while you have been reading the sentence.

From Google.

That the tooth is the only part of the human body that can not repair itself.

That the average human body contains enough sulphur to kill all fleas on an average dog.

That the average human body contains enough carbon to make 900 pencils.

That the human body contains enough fat to make seven bars of soap.

That the average human body contains enough phosphorous to make 220 match heads.

That an average human body contains enough water to fill a 38 liter tank.

That an average human body contains enough potassium to fire a toy cannon.

Red blood cells make approximately 250,000 trips around the body before returning to the bone marrow where they where born to die.

That an adult at rest usually takes in and breathes out 6 litres of air each minute.

That some acacia species have a nauseating liquid that drives animals away expect giraffes.

That giraffes have an extraordinary tongue for obtaining acacia leaves. The tounge, 90 cm long can maneuver around the throns to get the delicacy, the leaves.

The world’s first test tube twins were born in June 1981.

Every human being spent about half an hour as a single cell.

Protozoa are clear. They can take the colour of materials inside them includind food they have just eaten.