In 30 minutes, the average body gives off enough heat (combined) to bring a half gallon of water to boil.
198
Your thumb is about the same size as your nose.
124
Human hair and fingernails continue to grow after death.
7
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
A person will create enough saliva to fill two average size swimming pools during his lifetime.
191
Our eyes are always the same size from birth, but our nose and ears never stop growing.
266
Enamel is hardest substance in the human body.
61