If you were to roll a lung from a human body and out flat it would be the size of a tennis court.
36
The human brain uses approximately as much energy as a 10 watt light bulb.
120
In the average lifetime a person will breath in about 44 pounds of dust.
21
When a person dies, hearing is usually the last sense to go.
124
A fetus develops fingerprints at eighteen weeks!
32
Laughing could dramatically improve your health – and be as good for you as a deep state of meditation, researchers have found.
28
There's 100 trillion good bacteria living in your body.
17
One quarter of the human brain is used to control the eyes.
43