Fill in the Blanks the flow of air in and out theOnline version match by Jada Hall 1 nose Inhaling out lungs alveoli upper removing pharynx oxygen The blood delivers to the cells while also carbon dioxide . and exhaling brings the oxygen in and the carbon dioxide of the lungs . the lungs are made up of which helps create a two way diffusion in the lungs . air is drawn in through the or mouth then passes through the and larynx of the respiratory tract and continues through the lower respiratory tract ( trachea , bronchial tree , and ) .