The average person's skin weighs twice as much as their brain.
131
It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
Every year your body replaces 98% of your atoms.
119
Yawns are more contagious among people with closer relationships.
163
Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
193
Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
92
For most people, no matter how hard you pinch the skin on your elbow with your fingers it doesn't hurt.
515
The human brain uses approximately as much energy as a 10 watt light bulb.
120