Why are alveoli so numerous

Air entering the lungs ends up in tiny sacs called alveoli. It is from the alveoli that oxygen diffuses into the blood. The
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2. asked by Anonymous
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Why are alveoli so numerous (why not just a single large air sac for gas exchange)?
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2. asked by Anonymous
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I'm not sure how to answer one of my homework questions.Is one function of the alveoli to filter out dirt and pollen before it
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2. asked by Sidney
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8.Which sequence correctly shows oxygen movement during respiration? body cells, capillaries, alveoli capillaries, alveoli, body
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2. asked by fish
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The role of the villi in the small intestine is analogous tothe gastric pits in the stomach. sweat glands in the skin. alveoli
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2. asked by lezli
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Getting Oxygen1) Name the components of the respiratory system in the order incoming air would encounter them during breathing.
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2. asked by TheLOUDEST_0430
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TIME REMAINING59:48 At the site of gas exchange in the lungs, where does the oxygen move? O2 moves from the alveoli to the white
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How did environmental degradation contribute to the Mayan civilization’s collapse?(1 point) Responses Natural disasters caused
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The gas exchange of oxygen to the bloodstream takes place in what part of the respiratory system?(1 point) Responses pharynx
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2. asked by kiki
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The gas exchange of oxygen to the bloodstream takes place in what part of the respiratory system?(1 point) Responses pharynx
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2. asked by hello
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