Amazing fact about How many gallons of blood kidney clean in a lifetime, human body composed water, Nails and corneas do not receive oxygen from blood, ears never stop growing, Human tongue.

Amazing fact: How many gallons of blood kidney clean

In a lifetime, the human kidneys clean over 1 million gallons of blood.

Amazing fact: Human body composed water

The human body is composed of 80% of water.

Amazing fact: Nails and corneas do not receive oxygen from blood

Nails and corneas are the only two tissues in the body that do not receive oxygen from blood.

Amazing fact: The ear never stop growing

The ears never stop growing through lifetime.

Amazing fact: The Human Tongue

The human tongue has 10,000 taste buds.