The average sperm cell swims at 8 inches per hour.
4
There are about 255 babies born worldwide every minute.
46
The human brain is more active during sleep than during the day.
28
It takes approximately 12 hours for food to entirely digest.
93
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
A man's beard grows fastest when he anticipates sex.
239
Our eyes are always the same size from birth, but our nose and ears never stop growing.
266