In one day, adult lungs move about 10,000 litres of air.
11
Our eyes are always the same size from birth, but our nose and ears never stop growing.
266
It has been scientifically proven that stroking a cat can lower one's blood pressure!
456
Crying literally alleviates stress and uniquely allows humans to decrease feelings of anger and sadness.
24
It takes about 20 seconds for a red blood cell to circle the whole body.
102
The human brain is more active during sleep than during the day.
28
The average sperm cell swims at 8 inches per hour.
4
A human brain produces as many as 12,000 to 50,000 thoughts per day, depending on how deep a thinker a person is.
23