“fishes have single circulation” explain it briefly
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Fishes have single circulation because for blood flow and so that it help the blood to travel from the heart to gills , where it absorb oxygen and release carbon dioxide.It then flows from gills to the organs and tissues and rest of the body. ... there is just one circuit in the heart.
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The type of circulatory system that occurs in fishes, in which the blood passes only once through the heart in each complete circuit of the body Compare double circulation.
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