QUESTION: What is the main function (job) of the Nervous System? A. The nervous system controls the breakdown of food into small molecules, which are then absorbed into the body.

B. The nervous system's main job is to move fresh air into your body while removing waste gases.

C. The nervous system controls everything you do, including breathing, walking, thinking, and feeling.

D. The nervous system carries oxygen, nutrients, and hormones to cells, and removes waste products, like carbon dioxide.