: EVERY cell consists of a cell membrane,cytoplasm and a nucleus, a cell wall helps to mantain a cell structure, a nucleus helps to control a cell , a mouse is smaller than a elephant because it has less cells, cells can be seen under a microscope only, : every cell contains a cell wall, a cell wall allows only certain substances to pass through, a cell is a non living thing, an animal grows because its cells grown in size, an elephant is bigger than a mouse because it has bigger cells, cells can be seen by the naked eye , all cells are bad for our health,

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