Does it matter what their body count is why or why not

Is it considered muscles' ennervation if the sympathetic fibers innervate vessels within the muscle ? (vasomotricity)

Write a paragraph about why the respiratory system is important and we need to breathe easily. (guys i really need ) x(

Hot5, endomondo, gympact, and runkeeper are popular a.) energy drinks b.) vigorous-intensity exercise c.) fitness apps d.) moderate-intensity exercise e.) fitness tests