Answer :
Question Options:
a. homeostasis
b. homeorhesis
c. metastasis
d. estrus
Answer: HOMEOSTASIS.
Explanation: Homeostasis refers to the ability of a system or living organism to adjust its internal environment to maintain a state of dynamic constancy; such as the ability of warm-blooded animals to maintain a stable temperature.
There are various examples of homeostasis some of which include; Acid-Base Balance;
Body Temperature; Glucose Concentration; Calcium Level ;Fluid Volume etc.