HUMAN BODY

There are 60,000 miles of blood vessels in the human body

• True

• False

It takes about 30 seconds for a human blood cell to make a complete circuit of the body

• True

• False

Humans share 98.4 % of our DNA with chimpanzees.

• True

• False

The human brain is composed of 95 % water.

• True

• False

The human brain uses 40 % of the body's energy but is 20 % of the body's weight.

• True

• False

A sneeze can exceed the speed of 1,000 mph

• True

• False

It takes 17 muscles to smile while talking 43 muscles to frown

• True

• False

Human thighbones are stronger than concrete

• True

• False

The strongest muscle in the human body is the tongue

• True

• False

The hardest bone in the human body is the jawbone

• True

• False