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miskamm [114]
3 years ago
15

If the inner lining of the air sacs is neither thin nor highly vascularized, then what can be inferred about the ai

Biology
1 answer:
MArishka [77]3 years ago
4 0
If the inner lining of the air sacs neither thin nor highly vascularized, then it can be inferred that AIR SACS ARE CANNOT BE THE SITES OF GASEOUS EXCHANGE BETWEEN AIR AND BLOOD. Air sacs are generally lined with mucus and surrounded with blood capillaries.
In case of birds, air sacs play an important role in respiratory system.
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