The pulmonary artery emerges from the right ventricle and is divided into two sections, each carrying a lung and running parallel to the trachea and branching like a branch until it ends in the vicinity of the achilles. The formation of the hair follicles and the formation of hair follicular branches converge and form veins in each lung and graduated pulmonary veins four and pour into the heart in the left atrium and since the walls of the pneumonia pulmonary is very thin in which the blood and the air of the climate in direct contact with a very wide surface and then gas exchange Pneumonia.
Labels
respiratory device