Question

select the part whose main job is to break down worn - out cell parts. centrosome cell membrane lysosome cytoskeleton

Explanation:

Lysosomes contain enzymes that break down worn - out cell parts, organelles, and other waste materials. Centrosomes are involved in cell division, the cell membrane controls the movement of substances in and out of the cell, and the cytoskeleton provides structural support and aids in cell movement.

Answer:

lysosome