Procedure: The following are some of the important roles of cells in an organism.
Choose three and explain why it is an essential role of cells, especially to human
beings.
1. They provide structure for the body.
2. They take in nutrients from food.
3. They convert the nutrients into energy.
4. They carry out specialized functions.
5. Cells also contain the body's hereditary material and can make copies of
themselves.

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