Human A+P 1.5---Part 2---

_________ are muscles or glands that respond to the changes to return to stability.

Effectors

When factors in the ________ environment (the outside world) change, conditions in the ________ environment (the fluid around the body cells) must remain ______.

When factors in the -EXTERNAL- environment (the outside world) change, conditions in the -INTERNAL- environment (the fluid around the body cells) must remain -STABLE-.

Homeostasis is regulated through _______ _______ which have receptors, a set point, and effectors in common.

Control Systems

Maintenance of a stable internal environment is called ___________.

Homeostasis

Receptors are many of types whose job is to ________ for changes.

Monitor

The set point is the ______ _____ or range of values.

Normal value