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प्रश्न
Answer the following:
What is specific in the heart of crocodiles among reptilians?
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उत्तर
Crocodiles have a four-chambered heart (2 atria and 2 ventricles) with no mixing of oxygenated and deoxygenated blood, whereas reptiles have a three-chambered heart (2 atria and 1 ventricle).
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