The average sperm cell swims at 8 inches per hour.
76
Yawns are more contagious among people with closer relationships.
163
An Indian man known as "Snake Manu" can put small snakes, including deadly cobras, into his mouth and pass them out through his nose.
59
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
Your body is creating and killing about 2.4 million red blood cells per second.
17
Your heart will pump about 212 million liters in its lifetime.
26
The human brain has the capacity to store everything that you experience.
4k
If your DNA was stretched out it would reach to the moon 6,000 times.
256