Inanimate objects of animal cells are called metaplastic bodies.
(i) Glycogen: Glycogen is stored in liver and muscle cells. Glycogen is stored in bacteria, blue-green algae and fungi.
(ii) Zymogen granules: Different types of enzymes combine to form zymogen granules. It is stored in the cytoplasm of plant cells.
(iii) Fat cells: Fat cells are located under the skin in adipose cells.