A hollow ball of cells with a central fluid-filled cavity is
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One Liner
The heart of an amphibian (like a frog) has how many chambers?एक उभयचर (जैसे मेंढक) के हृदय में कितने कक्ष होते हैं?
Three (2 Atria, 1 Ventricle)
तीन (2 अलिंद, 1 निलय)
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This question belongs to the set "Top 100 Zoology Questions: Animal Kingdom and Developmental Biology". Click below to read detailed notes and attempt the full quiz.
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