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
One quarter of the human brain is used to control the eyes.
43
By weight, Bone is five times stronger than steel.
417
More people use blue toothbrushes, than red ones!
66
Fingernails grow fastest on the hand you favor.
44
When you kiss someone for the first time, you get a spike in the neurotransmitter dopamine, making you crave more.
23
Most lipstick contains fish scales.
37
2 out of 3 adults in the United States have hemorrhoids.
7