Answer the following question given this paragraph: 

The process in which organ systems work to maintain a stable internal environment is called homeostasis . Keeping a stable internal environment requires constant adjustments. Here are just three of the many ways that human organ systems help the body maintain homeostasis:.


Q: The process in which organ systems work to maintain a stable internal environment is called what?

 Choices:

- consciousness

- thrombosis

- ketosis

- homeostasis

A:
homeostasis
