Tell me some weird facts about the human body

The human nose can remember up to 50,000 different scents.
Your tongue print is as unique as your fingerprint.
The average person produces enough saliva in their lifetime to fill two swimming pools.
The human body has enough iron in it to make a small nail.
Humans shed around 600,000 particles of skin every hour.
The strongest muscle in the human body is the masseter muscle, which is used for chewing.
The human eye can distinguish between 10 million different colors.
The human stomach can hold up to 1.5 liters of food and drink.
The human body contains enough fat to make seven bars of soap.
The left lung is smaller than the right lung to make room for the heart