The human nose can distinguish up to 1 trillion different scents.
The human eye can distinguish about 10 million different colors.
The human brain uses about 20% of the body's energy.
The human body contains enough fat to make seven bars of soap.
The human body is home to trillions of microorganisms.
The human heart can beat more than 3 billion times in a person's lifetime.
The human skin is the largest organ in the body, covering about 20 square feet.
The human skeleton is made up of more than 200 bones.
The human tongue has thousands of taste buds.
The human body produces about 25 million new cells each second.