50,000 of the cells in your body will die and be replaced with new cells, all while you have been reading this sentence! In one hour, your heart works hard enough to produce the equivalent energy to raise almost 1 ton of weight 1 yard off the ground. In 1 square inch of skin there lies 4 yards of nerve fibers, 1300 nerve cells, 100 sweat glands, 3 million cells, and 3 yards of blood vessels. There are 45 miles of nerves in the skin of a human being. Most people blink about 25 times a minute, or 6,205,000 times each year. Nerve impulses to and from the brain travel as fast as 170 miles per hour. Your stomach has to produce a new layer of mucus every two weeks otherwise it will digest itself. Your left lung is smaller than your right lung to make room for your heart. You use an average of 43 muscles for a frown. You use an average of 17 muscles for a smile. You burn 26 calories in a one-minute kiss. The average human body contains enough: SULPHUR to kill all fleas on an average...
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