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Cells are the basic building blocks of all living things. The human body is composed of trillions of cells. They provide structure for the body, take in nutrients from food, convert those nutrients into energy, and carry out specialized functions.
A cell is the intersection between a row and a column on a spreadsheet that starts with cell A1. Below is an illustrated example of a highlighted cell in Microsoft Excel; the cell address, cell name, or cell pointer D8 (column D, row 8) is the selected cell and the location of what is being modified.