The answer is A as corals are very delicate to their surroundings
The correct answer would be the endocrine system. Hope this helps!
Human cells spend most of their time in interphase, where they do not divide. In interphase, a cell may grow, obtain and nutrients and metabolize them, read DNA, etc.
Nerve cells release neurotransmitters across gaps and secretion of proteins and wastes: it’s Exocytosis
