The largest cell in the human body is the female egg and the smallest is the male sperm.
682
Every year your body replaces 98% of your atoms.
119
When you take a step, you are using up to 200 muscles.
886
Enamel is hardest substance in the human body.
61
Cracking your knuckles does not actually hurt your bones or cause arthritis. The sound you hear is just gas bubbles bursting.
18
Our Right Lungs takes more air than our left lung.
194
Your heart will pump about 212 million liters in its lifetime.
26