Banging your head against a wall uses 150 calories an hour.
57
When your face blushes, the lining of your stomach turns red, too.
154
The human heart creates enough pressure to squirt blood 30 ft.
37
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
If you are bitten by a poisonous snake, and fail to receive medical attention, you still have a 50% chance of survival.
28
25% of your bones are located in your feet.
12
Your skeleton keeps growing until you are about 35, then you start to shrink.
74
If you are cold you are more likely to be hungry because you use energy to keep warm.
143