Holding hands with someone you love can alleviate physical pain as well as stress and fear.
26
It takes about 20 seconds for a red blood cell to circle the whole body.
102
About 400 different kinds of microbes live on and in the human body.
-3
Unlike dogs, pigs, and some other mammals, humans cannot taste water. They taste only the chemicals and impurities in the water.
95
Most lipstick contains fish scales.
37
Every year your body replaces 98% of your atoms.
119
The chemicals indole and skatole, which help to account for the particular smell of human feces, are used as ingredients in perfume!
-3