Every hour one billion cells in the body must be replaced.
17
It takes approximately 12 hours for food to entirely digest.
93
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
Those who get out of bed by 7am are more likely to be thinner and happier.
19
You can alleviate a tickly throat by scratching your ear.
12
Your body is creating and killing about 2.4 million red blood cells per second.
17
It takes about 20 seconds for a red blood cell to circle the whole body.
102