2. What are the needs of cells?
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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.
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- Need energy, oxygen, and nutrients, including water to remain healthy and do their work.All the body's cells need materials and carry waste materials away from them.
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There are six main classes of nutrients that the body needs: carbohydrates, proteins, fats, vitamins, minerals, and water. It is important to consume these six nutrients daily to build and maintain health.
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