Kissing an infection-free partner is good for your teeth!
141
A person will burn 7 percent more calories if they walk on hard dirt compared to pavement.
45
The average human body contains enough fat to make seven bars of soap.
45
Human teeth are almost as hard as rocks!
47
Our Right Lungs takes more air than our left lung.
194
Redheads require up to 20% more anesthesia to be knocked out.
112
The average sperm cell swims at 8 inches per hour.
4
The record for the longest scientifically documented period without sleep is 264.4 hours (eleven days).
15