Single-celled organisms utilize organelles to maintain homeostasis, while large multicellular organisms, such as humans, use organs to maintain homeostasis. How are organelles and organs similar? a Organs are specialized for metabolism while organelles are specialized for homeostasis. b Organelles are specialized for cellular respiration while organs are specialized for breathing. c Organelles have similar regulatory functions to organs. d Organelles are similar in structure to organs.

The relationship between organelles and the cell is very similar to that of organs to the body. As stated above, organelles indeed do have very specific functions that all play a role in maintaining cellular homeostasis. This microenvironment is kept functionally balanced due to the activities of the nucleus, mitochondria, endoplasmic reticulum, and other organelles in a manner which directly parallels the way that whole organs like the heart, brain, and liver all keep the macroscopic body operational. Each organelle plays a specific role within the cell which is often observable at the level of the organ to the body. For example, the lysosome is important in the digestion of waste at the cellular level, a function corresponding closely to the digestion and detoxification of substances passing through the liver at the level of the human body.

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