The nervous system can work through sense (eyes, ears, nose, skin, taste buds) organs

glands
cells

nerves

Organs

Explanation:

Organs such as ears which enables animals to hear, The eyes which gives vision, the nose which is responsible for smelling and perceiving odors, The skin which enables animals to feel and the taste buds which permits animals to make distinction between sweetness, bitterness, sour are collectively called the sense Organs. The nervous systems principally made of a connection of neurons allows the trasmission of signals between different body parts. The purpose served by the sense Organs and nervous systems makes it possible makes the possibility of the nervous systems working through the sense Organs possible.

i believe the answer is a.