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Name the smallest and the largest cell in the human body

Answer: The sperm cell is the smallest cell in the human body. The volume of these cells is quite tiny. The head of a sperm cell is roughly 4 micrometres long, about the same size as a red blood cell (RBCs). Egg cells are the biggest cells in the human body (ovum). They are 20 times larger than sperm cells and have a diameter of roughly 0.1 millimetres.

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