Banging your head against a wall uses 150 calories an hour.
57
It is almost impossible to sneeze with your eyes open. It is a defense mechanism that has evolved to protect our eyes from bacteria and debris.
164
A human brain produces as many as 12,000 to 50,000 thoughts per day, depending on how deep a thinker a person is.
23
The human heart creates enough pressure to squirt blood 30 ft.
37
More people have a phobia of frogs than rats.
41
You have no sense of smell when you're sleeping!
72
Every day, the average person swallows about a quart of mucous.
5
Human thigh bones are stronger than concrete!
63