How do the trillions of cells in the human body get what they need to function, and what do the cells do with the things they absorb? Please write a paragraph or more than 20 words :)
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. Cells also contain the body's hereditary material and can make copies of themselves.
