Baleen whale
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What links here
Countercurrent exchange
Nephron
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Bumblebee
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Swim bladder
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Desalination
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Heat exchanger
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Active transport
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Reindeer
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Respiratory system
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Pinniped
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Kidney dialysis
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Vein
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Shark
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Gill
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Rat
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Common ostrich
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Lanthanide
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Kidney
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Homeostasis
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Beaver
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Countercurrent exchange system
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