The average sperm cell swims at 8 inches per hour.
76
Enamel is hardest substance in the human body.
61
Dogs can be trained to identify the scent of lung cancer long before symptoms develop.
190
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
When you take a step, you are using up to 200 muscles.
886
One human hair can support 3 ounces.
191
Your thumb is about the same size as your nose.
124
Our Right Lungs takes more air than our left lung.
194