trace the path of water carrying oxygen in fish
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Explanation:
The answer is their gills! ... A fish “breathes” in water through its mouth, and this water passes over the gills. Dissolved oxygen that is in the water moves into the blood and travels to the fish's cells. You can trace the path of O2 and CO2 in the illustration below.
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The answer is their gills! ... A fish “breathes” in water through its mouth, and this water passes over the gills. Dissolved oxygen that is in the water moves into the blood and travels to the fish's cells. You can trace the path of O2 and CO2 in the illustration below
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