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List and explain the respiration surfaces |
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Answer» ratory surface is covered with thin, moist epithelial cells that allow oxygen and carbon dioxide to exchange. Those gases can only cross cell membranes when they are dissolved in water or an aqueous SOLUTION, thus RESPIRATORY SURFACES MUST be moist.There are THREE major types of respiratory structures in the vertebrates: gills, integumentary exchange areas, and lungs.Hope it's helpful |
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