Cells: The Building Blocks of Life The human body contains millions of cells that rely on healthy nutrition like proteins, vitamins and minerals. While the body can create some of these nutrients, it also requires essential vitamins and minerals from food sources. Every living organism depends on its cells to function normally. Often referred to as “the building blocks of life,” cells are the biological, structural and functional units that carry out tasks in an organism. A collection of cells working together is called a tissue, while a series of tissues performing organized functions are called organs. The human body contains trillions of cells, all with varying tasks that help support bodily organs; these include skin cells, nerve cells, blood cells, barrier function cells (supporting the lungs, gut) and more. Cells rely on good nutrition for energy production and to prevent oxidative damage. The anatomy of a cell Cells in the human body are so tiny that they are invisible to th...
Zucchini ravioli swaps pasta for tender sheets of veggies -- with the same cheesy center! Learn how to make it with easy, simple ingredients. Get The Recipe Zucchini Ravioli
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