The average sperm cell swims at 8 inches per hour.
76
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
193
It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
All the chemicals in a human body combined are worth about 6.25 euro (if sold separately).
266
The human brain uses approximately as much energy as a 10 watt light bulb.
120