Answer:
The body has levels of organization that build on each other. Cells make up tissues, tissues make up organs, and organs make up organ systems. The function of an organ system depends on the integrated activity of its organs. For instance, digestive system organs cooperate to process food.
Explanation:
Living organisms are made up of four levels of organization: cells, tissues, organs, and organ systems.
Hope this helps.
#CarryOnLearning
