Cells, like all living things, must have a way to reproduce. Cells age, become damaged, and die, just like any other living thing. Cells make up living things, including you and me. They make up our skin, our blood, our hearts, and our brains. Cells make up every part of our bodies. In order to keep our bodies in good shape, our cells must divide. Because our cells divide, our bodies can grow, and our wounds .....