A person can live without food for about a month, but only about a week without water.
156
Within three days of death, the enzymes that once digested your food begin to eat you.
22
Drinking watermelon juice before a workout helps reduce muscle soreness.
21
Your body is creating and killing about 2.4 million red blood cells per second.
17
Fingernails grow nearly 4 times faster than toenails.
31
It takes 17 muscles to smile, 43 to frown.
65
The focusing muscles of the eyes move around 100,000 times a day. To give your leg muscles the same workout, you would need to walk 80km (50 miles) every day.
21
Your wounds heal faster if you lick them, you instinctively do this for that reason. Tears help, too.
20