Use the following information to answer the questions below. At a crime scene,an analyst finds a large pool of blood.After centrifugation,it was determined that the blood belonged to a hemophiliac suffering from an acute infection. -Which of the following respiratory systems is not closely associated with a blood supply?
A)the lungs of a vertebrate B)the gills of a fish C)the tracheal system of an insect D)the skin of an earthworm E)the parapodia of a polychaete worm