If you are cold you are more likely to be hungry because you use energy to keep warm.
144
Most of us have microscopic, worm like mites named Demodex that live in our eyelashes and have claws and a mouth.
-137
If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
22
The human brain doesn't stop developing until about 25 years old.
102
When you take a step, you are using up to 200 muscles.
885
One human hair can support 3 ounces.
191
Enamel is hardest substance in the human body.
61
The average sperm cell swims at 8 inches per hour.
76