Anticline I believe would be the answer but in not the smartest so yeah
Answer:
I think the answer is the first option (A)
Explanation:
One
substance, other than the secretions from nerve cells, that is used in cell
communication are hormones.
<span>
To
add, <span>a hormone is any member of a class of signaling
molecules produced by glands in multicellular organisms that are transported by
the circulatory system to target distant organs to regulate physiology and
behaviour.</span></span>
Breathing is the exchange of gases between animals & the environment.
