One human hair can support 3 ounces.
191
The human brain uses approximately as much energy as a 10 watt light bulb.
120
Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
193
It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127
The human brain has the capacity to store everything that you experience.
4k
When you take a step, you are using up to 200 muscles.
886
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
The average sperm cell swims at 8 inches per hour.
76