It takes about 20 seconds for a red blood cell to circle the whole body.
102
It is almost impossible to sneeze with your eyes open. It is a defense mechanism that has evolved to protect our eyes from bacteria and debris.
164
The average sperm cell swims at 8 inches per hour.
76
Quick naps not only improve your alertness, but they also help in decision making, creativity and sensory perception.
149
Brain freeze is caused by the brain sensing the drop of temperature on your palate and increasing blood pressure in an attempt to save you from freezing.
14
Drinking banana milkshake is a perfect cure for hangover.
21
The lifespan of a tastebud is ten days.
130