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Question

Whale is air breather but can live underwater for a long time because it possesses

A
Rete mirabile
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B
Small lungs
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C
Blubber
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D
None of the above
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Solution

The correct option is A Rete mirabile
A complex of arteries and veins lying very close to each other is called as rete mirabile. In whales, a rete mirabile fills the swim bladder with oxygen, increasing the fish's buoyancy. As it stores oxygen, they can stay underwater for long times.
So, the correct answer is option A.

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