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
It takes approximately 12 hours for food to entirely digest.
93
Poor eyesight (myopia) is associated with higher IQ.
232
Pain occurs when sounds are above 130 db.
123
Babies crawl an average of 200m a day.
212
In 30 minutes, the average body gives off enough heat (combined) to bring a half gallon of water to boil.
199
The average person's skin weighs twice as much as their brain.
131
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99