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10/10/2021 6:42 pm
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State the three common features of all the respiratory organs like skin, gills and lungs.
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10/10/2021 6:43 pm
The common features of all respiratory organs skin, gills and lungs are:
(i) All the respiratory organs have a large surface area to get enough oxygen.
(ii) All the respiratory organs have thin walls for easy diffusion and exchange of respiratory gases.
(iii) All the respiratory organs like skin, gills and lungs have a rich blood supply for transporting respiratory gases.