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 pupil of the eye expands as much as 45 percent when a person looks at something pleasing.
130
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 aorta, the largest artery in the body, is almost the diameter of a garden hose.
37
All humans have the ability to see ultraviolet light, but it is passively filtered out by the eye's lens. People who undergo surgery to remove the lens can detect ultraviolet light.
22
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
You have no sense of smell when you're sleeping!
72
Gardening is said to be one of the best exercises for maintaining healthy bones.
40