Which of the following groups of animals have | vedclass

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(C) In a closed circulatory system,blood circulates through a series of blood vessels of varying diameters,$i.e.$,arteries,veins,and capillaries,witho

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Cephalopod molluscs and earthworm

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(C) In a closed circulatory system,blood circulates through a series of blood vessels of varying diameters,$i.e.$,arteries,veins,and capillaries,without coming into direct contact with body cells.Closed circulatory systems are characteristic of Annelids,cephalopod molluscs,and chordates.Earthworms belong to the phylum $Annelida$,which possesses a closed circulatory system.Cephalopod molluscs (such as squids and octopuses) are unique among molluscs for having a closed circulatory system.

Which of the following groups of animals have a closed circulatory system?

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