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How does our lung's architecture ensure that very little oxygen is wasted?

User SILENMUS
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Answer:

Gas exchange takes place in the millions of alveoli in the lungs and the capillaries that envelop them. As shown below, inhaled oxygen moves from the alveoli to the blood in the capillaries, and carbon dioxide moves from the blood in the capillaries to the air in the alveoli.

Step-by-step explanation:

Hope This Helps.

User Kristian Evensen
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