There have been studies that suggest blinking helps the brain recharge. On average we blink about 15-20 times a minute. Women blink about twice as much as men do. I wonder if that means a woman's brain is more active than a man's.
The human body is pretty resilient when it comes to survival. Even if you remove the stomach, the spleen, 75% of the liver, 80% of the intestines, one kidney, one lung, and just about every organ from the pelvic area it could live, just not very well.