Quick naps not only improve your alertness, but they also help in decision making, creativity and sensory perception.
149
The average person's skin weighs twice as much as their brain.
131
Enamel is hardest substance in the human body.
61
The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13
When you take a step, you are using up to 200 muscles.
886
Your heart will pump about 212 million liters in its lifetime.
26
The human brain doesn't stop developing until about 25 years old.
102
For most people, no matter how hard you pinch the skin on your elbow with your fingers it doesn't hurt.
515