Labels:bulletin board | colostrum | door | subarachnoid space | tribute album | vase OCR: OXYGEN EXCHANGE IN THE LUNGS IN THE LUNGS blood exchanges alveolus into your blood. Carbon carbon dioxide for oxygen. This dioxide passes in the opposite exchange takes place in millions direction, from the blood to the tiny air sacs called alveoli (one IS alveolus. 'Breathing in draws called an alveolus). Oxygen passes oxygen into the lungs; breathing through the thin wall of out expels carbon dioxide. Alveoli Ca pillary Blood vessels network of tiny To HEART blood vessels, called each capillaries, alveolus covers Oxygen Absorbed into blood Carbon dioxide Expelled from blood Flow From HEART oxygen lung
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