The average person's skin weighs twice as much as their brain.
131
The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13
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
The levels of two stress hormones, cortisol and epinephrine which suppress the body's immune system, will actually drop after a dose of laughter.
112
There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22
You can hear the blood flowing through your ears if you find a quiet place and cover them tightly.
19
There's 100 trillion good bacteria living in your body.
17