<span>C. Capillaries – work to exchange gases and nutrients with tissues
Arteries carry away the blood from the heart, these are the oxygen riched blood and of course the Aorta for that matter since the largest artery is the AORTA. Veins are the vessels that carry blood to the heart (Superior and Inferior Vena Cava)</span>
D, because the air s moving as in longitudinal waves which means <span>a wave vibrating in the direction of propagation, and probation means that the making of more and replacing</span>
