Poor eyesight (myopia) is associated with higher IQ.
232
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
The average person's skin weighs twice as much as their brain.
131
The human brain has the capacity to store everything that you experience.
4k
All the chemicals in a human body combined are worth about 6.25 euro (if sold separately).
266
An average heart beats 100,000 times a day, pumping some 2,000 gallons of blood through its chambers. Over a 70-year life span, that adds up to more than 2.5 billion heartbeats.
73
It takes about 20 seconds for a red blood cell to circle the whole body.
102