It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127
The human brain has the capacity to store everything that you experience.
4k
One human hair can support 3 ounces.
191
Our Right Lungs takes more air than our left lung.
194
Cracking your knuckles does not actually hurt your bones or cause arthritis. The sound you hear is just gas bubbles bursting.
18
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
Your heart will pump about 212 million liters in its lifetime.
26