Our eyes are always the same size from birth, but our nose and ears never stop growing.
266
Children are poisoned most frequently by eating harmful plants.
13
Fingernails grow nearly 4 times faster than toenails.
31
It is almost impossible to sneeze with your eyes open. It is a defense mechanism that has evolved to protect our eyes from bacteria and debris.
164
On average, there's 100 billion neurons in the human brain.
83
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
If your DNA was stretched out it would reach to the moon 6,000 times.
256
20 minutes after smoking a cigarette, blood pressure drops to normal.
37