The human brain doesn't stop developing until about 25 years old.
102
Every year your body replaces 98% of your atoms.
119
Our Right Lungs takes more air than our left lung.
194
Your thumb is about the same size as your nose.
124
Your body is creating and killing about 2.4 million red blood cells per second.
17
It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
Dogs can be trained to identify the scent of lung cancer long before symptoms develop.
190
For most people, no matter how hard you pinch the skin on your elbow with your fingers it doesn't hurt.
515