Damaged cells of an organism are usually by mitosis.
renewed
rebuilt
repaired
replaced

Answer;

Replace

Damaged cells of an organism are usually replace by mitosis.

Explanation;

-Mitosis is the type of cell division in which body cells divides to yield daughter cells that are identical to the parent cells. Cells undergo division to replace old, dead, or damaged cells. Cells may also undergo division so that living things can grow.

-Therefore, cell division is an important process in living things as it helps to procure growth due to production of new cells. It also aids replacement of old, dead, and damaged or worn out cells

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