If you are cold you are more likely to be hungry because you use energy to keep warm.
143
The human sigh acts as a physiological reset button.
23
There are about 1,400 different species of bacteria in your belly button.
10
Your body is creating and killing about 2.4 million red blood cells per second.
17
When you get goosebumps and your hair stands, the hair helps to trap air, making you feel warmer by keeping in your body heat.
46
The human brain uses approximately as much energy as a 10 watt light bulb.
120
If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
12