Your skeleton keeps growing until you are about 35, then you start to shrink.
74
A fetus develops fingerprints at eighteen weeks!
32
Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
92
10 seconds is the amount of time until unconsciousness after the loss of blood supply to the brain.
108
The human brain is more active during sleep than during the day.
28
If you stop working out, it takes twice as long to lose strength than it took to gain it.
16
Pain travels through your body at 350 ft. per second.
36
Banging your head against a wall uses 150 calories an hour.
57