Random Human Body Facts

How much water are we?

What is the largest internal organ?

The primary purpose of the brain is...

Which is the highest killing disease in the U.S.?

What is the only organ in the human body that lacks nerves?

The primary purpose of the liver is...

How many hours of sleep is recommended for teenagers?

What is the normal, healthy human blood pressure?

Which transports information in the body?

Which of the following is the strongest muscle?

Approximately how many neurons are present in the brain?

What happens to the number of your bones over a lifetime?

True or false - gastric acid in stomach is able to eat away an iron table in about 5 minutes.

How many red blood cells do we produce each day?

What is the only part of the human body that can't repair itself?

Which is more important...?

What is the largest organ of the human body?

How fast can the nervous system transmit nerve impulses?

The living organisms on the skin of a single human is less than the number of humans on earth