During one cycle how many times does blood go to the heart of fish and why
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Fish are cold blooded so blood comes only once in one cycle ,there is no double circulation of blood in fish.
Anonymous:
in fish heart pumps the blood to the gills from there the blood is pumped to the rest of the organs
The blood comes to their heart only once because they did not have 4 chambered heart like humans ,they have 2 chambered heart
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