The brain receives 20% of the body’s oxygen and 25% of total body glucose utilization, despite it accounting for only 2% of a person’s weight (about 1.4 kilograms).
8
Quick naps not only improve your alertness, but they also help in decision making, creativity and sensory perception.
149
Your wounds heal faster if you lick them, you instinctively do this for that reason. Tears help, too.
20
You can alleviate a tickly throat by scratching your ear.
9
Your stomach produces a new layer of mucus every two weeks so that it doesn't digest itself.
160
Every time you sneeze some of your brain cells die.
113
Bearing a male child can alter a woman's brain by leaving male DNA that can persist for the rest of her life, making her less likely to suffer from Alzheimer's disease, promote tissue repair, and improve her immune system.
16
The largest cell in the human body is the female egg and the smallest is the male sperm.
682