Drag the labels onto the diagram to identify aspects of gas transport and exchange. CO2 diffuses out of pulmonary capillaries CO2 diffuses into systemic capillaries O2-rich blood CO2-rich blood O2 diffuses from alveolus to capillary Blood flow to and from the systemic tissues Aerobic cellular respiration O2 diffuses into systemic cells Blood flow to and from pulmonary tissue Airways Alveoli of lungs Cells ATP CO 0 cor CO CO 0 Nutrients Reset Help