Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
In 30 minutes, the average body gives off enough heat (combined) to bring a half gallon of water to boil.
199
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
In Ancient Greece, small penises were desirable, and big ones were for ‘old men and barbarians’
22
If you are cold you are more likely to be hungry because you use energy to keep warm.
144
There are about 1,400 different species of bacteria in your belly button.
10
If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
22
When you get goosebumps and your hair stands, the hair helps to trap air, making you feel warmer by keeping in your body heat.
46