Which refers to the maintenance of a stable internal environment despite changing external conditions? a. differentation b. self-renewel c. homeostasis d. specialization

The correct answer is:

C. homeostasis

Explanation:

Homeostasis is the case of constant internal conditions controlled by living things. This dynamic state of equilibrium is the state of optimal functioning of the organism and comprises many variables, Homeostasis is the inclination to continue to change in order to secure a stable, relatively consistent internal environment.

when you breathe in, or inhale, your diaphragm contracts (tightens) and moves downward. this increases the space in your chest cavity, into which your lungs expand. the intercostal muscles between your ribs also enlarge the chest cavity. they contract to pull your rib cage both upward and outward when you inhale.