How will you describe the sequence of oxygen, carbon dioxide, and blood flow?
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Answer:
Inhaled oxygen enters the lungs and reaches the alveoli. ... Oxygen passes quickly through this air-blood barrier into the blood in the capillaries. Similarly, carbon dioxide passes from the blood into the alveoli and is then exhaled.
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Explanation:
When we inhale the oxygen enters our respiratory system and the circulatory system transport it to different parts of our body ,when the oxygenated blood is transported it becomes deoxygenated and it returns to the heart and lungs and we exhale it passing through our mouth
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