The average person's skin weighs twice as much as their brain.
131
If the human eye was a digital camera, it would have 576 megapixels.
25
By weight, Bone is five times stronger than steel.
417
Pain occurs when sounds are above 130 db.
123
The human brain is more active during sleep than during the day.
28
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
The human brain uses approximately as much energy as a 10 watt light bulb.
120
Some monks can increase their body temperature so much they can dry soaking sheets in a freezing room!
32