how many chambered heart does cyclostomata ha
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Answer:
Two-Chambered Heart:
In cyclostomes, there are four chambers arranged in a linear order- a thin-walled sinus venosus, a slightly muscular atrium (auricle), a muscular ventricle and a muscular conus arteriosus or bulbus cordis. It lies in the body cavity in which other visceral organs are also present
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Explanation:
They have two chambered heart...
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