5. Hollow bones are found in which animal?
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Birds have hollow bones. Hence, the correct option is ( c). Step by step solution by experts to help you in doubt clearance & scoring excellent marks in exams.
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Flightless birds do have hollow bones. Ostriches and emus have hollow femurs. It's thought that the air sac system that extends into their upper legs is used to reduce their body heat by panting. This bone specialization isn't found only in birds.
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