The focusing muscles in your eyes move around 100,000 times a day. To give your leg muscles the same workout, you'd need to walk 50 miles.
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Facts about the Human Body
RandomIt says it all in the title I do not own any of these facts, I got them off the internet
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The focusing muscles in your eyes move around 100,000 times a day. To give your leg muscles the same workout, you'd need to walk 50 miles.
