The human brain is more active during sleep than during the day.
28
It takes approximately 12 hours for food to entirely digest.
93
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
The average person's skin weighs twice as much as their brain.
131
When you kiss someone for the first time, you get a spike in the neurotransmitter dopamine, making you crave more.
23
There are times when you're walking that the pressure on your feet exceeds your body weight, and when you're running, it can be three or four times your weight.
62