One human hair can support 3 ounces.
191
The human brain has the capacity to store everything that you experience.
4k
Every year your body replaces 98% of your atoms.
119
Dogs can be trained to identify the scent of lung cancer long before symptoms develop.
190
The average sperm cell swims at 8 inches per hour.
76
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
Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
92