In 30 minutes, the average body gives off enough heat (combined) to bring a half gallon of water to boil.
198
If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
12
You can hear the blood flowing through your ears if you find a quiet place and cover them tightly.
17
The brain receives 20% of the body’s oxygen and 25% of total body glucose utilization, despite it accounting for only 2% of a person’s weight (about 1.4 kilograms).
8
If you hold farts in during the day, they'll just come out when you sleep.
16
If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
22
There are about 1,400 different species of bacteria in your belly button.
10