Your hair grows faster in the morning than at any other time of day.
91
A toothbrush within 6 feet of a toilet can get airborne bacteria from flushing.
15
The average tastebud lives only 10 days before it dies and is replaced by a new one.
15
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
There's 100 trillion good bacteria living in your body.
17
If you were to roll a lung from a human body and out flat it would be the size of a tennis court.
36
A third of the human population sneezes when they look at the Sun. Light can signal the ocular nerve near the sinuses and triggers a sneeze.
18
On average, women have always lived longer than men.
195