Your thumb is about the same size as your nose.
124
Enamel is hardest substance in the human body.
61
When you take a step, you are using up to 200 muscles.
886
There are times when you're walking that the pressure on your feet exceeds your body weight, and when you're running, it can be three or four times your weight.
62
If you are cold you are more likely to be hungry because you use energy to keep warm.
143
The human brain has the capacity to store everything that you experience.
4k
Our Right Lungs takes more air than our left lung.
194