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 takes twice as long to lose new muscle if you stop working out than it did to gain it.
127
When you take a step, you are using up to 200 muscles.
886
Chewing gum boosts your brain power.
285
The average sperm cell swims at 8 inches per hour.
76
The average person's skin weighs twice as much as their brain.
131