Final answer:
Homeostasis refers to the relatively stable internal environment required to maintain life. The regulation of an organ by the nervous and endocrine systems is one category of homeostasis.
Step-by-step explanation:
Homeostasis refers to the relatively stable internal environment required to maintain life. The regulation of an organ by the nervous and endocrine systems is one category of homeostasis. This means that the nervous and endocrine systems work together to control and maintain the functions of organs in the body.