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प्रश्न
Fill in the following blank with a suitable word:
Gills are the breathing organs in ______.
रिक्त स्थान भरें
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उत्तर
Gills are the breathing organs in fish.
Explanation:
Fish (and other aquatic animals like tadpoles and crabs) use gills to breathe underwater. Gills are rich in blood vessels and extract dissolved oxygen directly from the water as it passes over them.
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