They say that on 2.5 square cm of skin you have more than 600 pain sensors, 1300 nerve cells, 9000 nerve endings, 36 heat sensors, 75 pressure sensor, 100 sweat gland, 3 million cells, 2.7 m of blood vessels, 3.6 m of nerve fibers. The human body is a sensible body, but it seems like … Continue reading A sensible life