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Just a Quick Question about cells and stuff


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Pretty much. Things are replaced at different rates though. Your entire skeleton will be replaced about four times throughout your life, whereas the lining of your mouth is completely replaced about four times a day. The molecules making up nerve cells are replaced over time, so in a sense, nerve cells do regenerate, although technically, the cell remains the same cell, however, the material your teeth are made of is never replaced, so once they're gone, they're gone.

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