When you take a step, you are using up to 200 muscles.
886
Yawns are more contagious among people with closer relationships.
163
The human brain has the capacity to store everything that you experience.
4k
The average person's skin weighs twice as much as their brain.
131
All the chemicals in a human body combined are worth about 6.25 euro (if sold separately).
266
Your body is creating and killing about 2.4 million red blood cells per second.
17