Explain the mechanism of breathing in fish and frog
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Fish obtain oxygen dissolved in water. During respiration, water enters the body through mouth, passes through gills and comes out of the operculum. Exchange of gases takes place in the gills of fish supplied by numerous blood vessels. They accept oxygen into the body and expel out carbon dioxide.
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Fish obtain oxygen dissolved in water. During respiration, water enters the body through mouth, passes through gills and comes out of the operculum. Exchange of gases takes place in the gills of fish supplied by numerous blood vessels. They accept oxygen into the body and expel out carbon dioxide.
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