Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
193
If you are cold you are more likely to be hungry because you use energy to keep warm.
143
The largest cell in the human body is the female egg and the smallest is the male sperm.
682
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
Your heart will pump about 212 million liters in its lifetime.
26
When you take a step, you are using up to 200 muscles.
886
It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127
It takes about 20 seconds for a red blood cell to circle the whole body.
102