You can hear the blood flowing through your ears if you find a quiet place and cover them tightly.
17
Our eyes are always the same size from birth, but our nose and ears never stop growing.
266
When you get goosebumps and your hair stands, the hair helps to trap air, making you feel warmer by keeping in your body heat.
46
A person can live without food for about a month, but only about a week without water.
156
If you hold farts in during the day, they'll just come out when you sleep.
16
The human body contains over a billion miles of DNA.
147
It is possible for you to survive even after the removal of the spleen, the stomach, one kidney, one lung, 75% of the liver, 80% of the intestines, and almost every organ from the pelvic and groin area.
218
Fingers prune underwater not because of them absorbing the water or washing away the oil, but because of an evolutionary trait caused by the brain to enhance the grip of your fingers underwater.
24