Bioflix activity: gas exchange -- oxygen transport 10 of 10 review in this activity, you will follow oxygen on its path from the lungs to the body tissues. to review how oxygen is transported in the body, watch this bioflix animation: gas exchange: transporting oxygen. part a - oxygen transport drag each label to the appropriate location on the flowchart. oxygen binds to a molecule of hemoglobin. oxygen binds to a molecule of hemoglobin. oxygen diffuses from the blood to the body's tissues. oxygen diffuses from the blood to the body's tissues. oxygen diffuses from the alveoli into surrounding capillaries. oxygen diffuses from the alveoli into surrounding capillaries. oxygen is carried through blood vessels to a capillary. oxygen is carried through blood vessels to a capillary. oxygen enters a red blood cell.