When you take a step, you are using up to 200 muscles.
886
For most people, no matter how hard you pinch the skin on your elbow with your fingers it doesn't hurt.
515
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
If you are cold you are more likely to be hungry because you use energy to keep warm.
143
Quick naps not only improve your alertness, but they also help in decision making, creativity and sensory perception.
149
Women have about four times as many foot problems as men; lifelong patterns of wearing high heels often are the culprit.
111
The human brain has the capacity to store everything that you experience.
4k
Our eyes are always the same size from birth, but our nose and ears never stop growing.
266