The human brain uses approximately as much energy as a 10 watt light bulb.
120
It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
22
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
One human hair can support 3 ounces.
191
Yawns are more contagious among people with closer relationships.
163
Your thumb is about the same size as your nose.
124
Every year your body replaces 98% of your atoms.
119