Why is the respiratory system of a bird more efficient than the human respiratory system? The human lung has small parabronchi, which reduce the total surface area The bird respiratory system does not mix exhaled air with inhaled air. Birds fly at high altitudes where oxygen is abundant A bird lung contains multiple alveoli that increase the total surface area The tidal volume in birds is much larger than in humans
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Step 1: Birds have lungs that contain multiple alveoli, which increases the total surface area available for gas exchange. Show more…
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The respiratory systems of birds are very efficient at providing oxygen to the blood, which is necessary for birds to expend the energy necessary to fly. What feature of the bird respiratory system makes it more efficient than the respiratory systems of other animals?
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The bird respiratory system allows for efficient gas exchange because air sacs allows the recycling of the air for more O2 extraction birds have much greater concentrations of carbaminohemoglobin air sacs function as additional exchange surfaces birds have unusually large lungs the parabronchi air flow runs opposite the blood flow
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The most efficient vertebrate respiratory system is that of (a) amphibians (b) birds (c) reptiles (d) mammals (e) humans.
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