The rate of breathing in aquatic organisms is much faster than that seen in terrestrial organisms. Give reason. State the pathway of air from nostrils to the lungs in human beings.
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Explanation:
Aquatic animals take in the oxygen dissolved in water. The amount of dissolved oxygen in water is fairly low compared to the amount of oxygen in the air. Therefore, rate of breathing in aquatic organisms is much faster than in terrestrial organisms.
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Answer:
Aquatic organisms obtain oxygen from water present in dissolved state through their gills. Since the amount of dissolved oxygen in water is low as compared to amount of oxygen in the air. Hence, the rate of breathing is much faster in aquatic organisms than in terrestrial organisms.
Nostrils > nasal passage > pharynx > larynx > trachea > lungs.
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