define blow holes and give their function
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A hole that is present on the top of a whale or dolphin's head and is used by them for breathing is called a blowhole or nostril.
Functions of blow holes:
They cannot breathe underwater like fish can as they do not have gills. They breathe through nostrils, called a blowhole, located right on top of their heads. This allows them to take breaths by exposing just the top of their heads to the air while they are swimming or resting under the water.
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Answer: a hole that is on the top of a whale or related's animals head and is used by the animal for breathing
Explanation:
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