The human brain uses approximately as much energy as a 10 watt light bulb.
120
It takes about 20 seconds for a red blood cell to circle the whole body.
102
The human brain doesn't stop developing until about 25 years old.
102
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
Your thumb is about the same size as your nose.
124
Poor eyesight (myopia) is associated with higher IQ.
232