Answer:
Hey!
Your answer is A. Controls homeostasis
Explanation:
Homeostasis is naturally occuring the state of steady internal, physical, and chemical conditions maintained by living systems.
The Endocrine system does this by releasing HORMONES that regulate different things in your body when they get out of control (i,e. when there is too much sugar in the bloodstream, INSULIN is released to reduce the amount and return levels back to normal!
HOPE THIS HELPS!!