Pain occurs when sounds are above 130 db.
124
In 30 minutes, the average body gives off enough heat (combined) to bring a half gallon of water to boil.
198
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
Yawns are more contagious among people with closer relationships.
163
Every human spent about half an hour as a single cell.
144
The human sigh acts as a physiological reset button.
23
A person can live without food for about a month, but only about a week without water.
156
Your heart will pump about 212 million liters in its lifetime.
26