Your skeleton keeps growing until you are about 35, then you start to shrink.
74
Ten seconds of hugging a day increases levels of oxytocin, which can reduce blood pressure, thus cutting the risk of heart disease.
26
Taphephobia is the fear of being buried alive!
44
Chocolate, sex, and laughter are all important for a healthy brain.
37
Crushed cockroaches can be applied to a stinging wound to help relieve the pain.
31
Every hour one billion cells in the body must be replaced.
17
If you were to roll a lung from a human body and out flat it would be the size of a tennis court.
36
The right lung takes in more air than the left.
30