An average heart beats 100,000 times a day, pumping some 2,000 gallons of blood through its chambers. Over a 70-year life span, that adds up to more than 2.5 billion heartbeats.
73
Your thumb is about the same size as your nose.
124
The human brain doesn't stop developing until about 25 years old.
102
If you hold farts in during the day, they'll just come out when you sleep.
16
In one day, adult lungs move about 10,000 litres of air.
11
If your DNA was stretched out it would reach to the moon 6,000 times.
256
Our eyes are always the same size from birth, but our nose and ears never stop growing.
266