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Breathing and Exchange of Gases — BIOLOGY STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceBIOLOGYBreathing and Exchange of Gases2 Marks
Question
How marine mammals are able to make long underwater dives? Explain.
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Answer

Marine mammals (e.g., seals and whales) can make long underwater dives as they have more blood per kg of body weight can store more oxygen in blood and muscles have a large spleen with blood can reduce $O _2$ consumption rate when underwater.

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