Question

How does the immune system work together with the circulatory system to function properly? A. The immune system's pathogens work to fight and destroy invaders. B. Chemicals released by immune cells cause increased blood flow to an infected area; this increased blood flow brings other immune cells to the area more quickly. C. Red blood cells move through the body (to parts where they are needed) in the blood vessels within the circulatory system to fight antigens. D. Oxygen-depleted blood is delivered to an infection site by the circulatory system's arteries, so the immune

Answer 1

i will of course give a medal

Answer 2

pls help i really need to finish this assessment

Answer 3

nvm the answer was B