GK: Do you know which part of our body turns every 2 months? 99% of people don’t know the answer

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People in the appearance, color and shape, the structure of the body is the same for almost all. Everyone has two parts, two legs, two eyes, two ears, like a nose and a mouth. These body parts grow from our birth to a particular age. For example, the arms of young children, legs and height grow slowly.