Key Events In Gas Exchange

(Correct Answer Below)

Key Events In Gas Exchange

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1. breathing moves air in/out of lungs 2. oxygen diffuses from alveoli in lungs into capillaries 3. oxygen enters red blood cells, where it binds to protein hemoglobin. 4. oxygen diffuses from blood to body's tissues, and carbon dioxide diffuses from the tissues to the blood. 5. carbon dioxide leaves the body when we exhale

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