7 Amazing things your body does

Approximately 50,000 cells in your body will die and be replaced with new cells during the time it takes you to read this sentence. We make a new skeleton every three months and a new layer of skin every month.There's something unique about all of us, and it's not just your fingerprint. Every human has a unique tongue print, too. Every square inch of your skin contains 20 feet of blood vessels, 4 yards of nerve fibers, 1,300 nerve cells, 100 sweat glands, and 3 million cells.