For most people, no matter how hard you pinch the skin on your elbow with your fingers it doesn't hurt.
515
The human brain has the capacity to store everything that you experience.
4k
Your body is creating and killing about 2.4 million red blood cells per second.
17
If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
22
When you take a step, you are using up to 200 muscles.
886
The average person's skin weighs twice as much as their brain.
131
Our Right Lungs takes more air than our left lung.
194
The human brain doesn't stop developing until about 25 years old.
102