An Indian man known as "Snake Manu" can put small snakes, including deadly cobras, into his mouth and pass them out through his nose.
59
The average sperm cell swims at 8 inches per hour.
76
Dogs can be trained to identify the scent of lung cancer long before symptoms develop.
190
The human brain doesn't stop developing until about 25 years old.
102
One human hair can support 3 ounces.
191
Every year your body replaces 98% of your atoms.
119
Your thumb is about the same size as your nose.
124
When you take a step, you are using up to 200 muscles.
886