Correct answer choice is :
A) Homeostasis
Step-by-step explanation:
Homeostasis is the state of constant internal requirements maintained by living things. This powerful state of equality is the position of optimal functioning of the body and involves many variables, such as body temperature and fluid balance, being kept within several pre-set boundaries. Cells depend on the body conditions to live and function. Homeostasis keeps the body environment under control and keeps the conditions right for cells to live and function. Without the right body situations, certain methods and will not work correctly.