If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
12
If you hold farts in during the day, they'll just come out when you sleep.
16
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
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
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
The levels of two stress hormones, cortisol and epinephrine which suppress the body's immune system, will actually drop after a dose of laughter.
112

