मनुष्य के शरीर में कितना Kg लोहा होता है - top 10 Fact video 2020

You all know that there is iron in our body but sometimes you have thought that if we add iron to our whole body, how much it will be. If you do not know, then let me tell you that if an iron obtained from one body is added, then an inch of nail will have to be won.


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