D your nervous system controls your sleep cycles,breathing rate, body temperature it controls a lot.
Each one can affect mental health. All of the above is correct answer.
Mental health plays the biggest role. When your stressed, not only does it put stress on the body (headaches, body aches, and other chronic conditions) but it can put a strain on your relationships with others. You won’t be able to focus as well as you have before, and this will affect your intellectual ability. Preventions include physical activity, nutritious foods, social inclusion/support, and hobbies or activities.
