The average sperm cell swims at 8 inches per hour.
76
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
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
The human brain doesn't stop developing until about 25 years old.
102
All the chemicals in a human body combined are worth about 6.25 euro (if sold separately).
266
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197