Question

gas exchange through general body surface​

Answer 1

Answer:

A respiratory 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.

Answer 2

Answer:

A respiratory surface is covered with thin moist epithelial cells that allows oxygen and carbon dioxide to exchange. Those gases can only cross cell membrances when they are dissolved in water on an aqueous solution thus respiratory surface must be moist

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