what are the requirementsof respiratory surface . class 10 science life processes
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Hina777
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.
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Changes in life help us move forward and become better professionals and better personalities, and that's why even small variations in life can make us look at others and oneself differently and can bring us joy and life satisfaction.
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Answer:
Changes in life help us move forward and become better professionals and better personalities, and that's why even small variations in life can make us look at others and oneself differently and can bring us joy and life satisfaction.