ocr: 6 5 oxygen e camon aloxide ', * trachea 4 lung. aotra pronchus aleoli vein. Rartery pulmonary pulmonary bronchiole left: side Of heart rights side Of heart artery. vein. alveolus. capillaries. network oxygen carbon a dioxide i oxygen glucose - +.. glucose CHO oxygen blood 0 t dioxide *+**+ water N energy carbon dioxide A - tissue carbon water
