In 30 minutes, the average body gives off enough heat (combined) to bring a half gallon of water to boil.
199
The average person's skin weighs twice as much as their brain.
131
If you hold farts in during the day, they'll just come out when you sleep.
16
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22
It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127
