If you collected all the iron contained in the human body, you would get just a small cog, big enough only for use in your watch.
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Human Body Facts
Non-FictionHave you ever wanted to know more about the Human Body? Have you ever wondered how much blood your heat pumps or wondered what's more sensitive than your fingers? This will take you on an adventure through the Human body in which you've never expect...
Small Cog
If you collected all the iron contained in the human body, you would get just a small cog, big enough only for use in your watch.
