Question
Oxygen is absorbed through the alveoli in the lungs. How are the alveoli adapted for this function? [3 MARKS]
Answer:
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Some features of the alveoli that allow this are as follows:
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Some features of the alveoli that allow this are as follows:
they increase thesurface area in lungs for absorption
they havethin walls (just one cell thick)
they have a lot of tiny blood vessels called capillaries.
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