The organelle found only in animal cells that contains digestive enzymes to break down old cell parts and debris is called a lysosome.

Here's why:

* Digestive Enzymes: Lysosomes are filled with powerful enzymes capable of breaking down various cellular components, including proteins, carbohydrates, lipids, and nucleic acids.

* Waste Removal: They act like the "recycling center" of the cell, engulfing and digesting worn-out organelles, debris, and even invading bacteria or viruses.

* Cellular Autophagy: Lysosomes play a crucial role in a process called autophagy, where they break down damaged or unnecessary cellular components to recycle their building blocks for new structures.

Important Note: While lysosomes are primarily found in animal cells, some plant cells do possess similar structures called vacuoles, which can also perform some digestive functions. However, plant vacuoles are generally larger and have more diverse roles than lysosomes.