Question

open circulatory system and closed circulatory system examples​

Answer 1

Answer:

open circulation in human and closed is amphibians except crocodile

Answer 2

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closed circulatory system is present in

Annelida , cephalobed mollusca and Vertebrata

Open circulatory system is present in

protozoa

porifera

celenterata

ctenophora

platyhelminthes

Aschelminthes

Arthropods

Mollusca (not cephalobed)

Echinoderms

Hemichordates

and chordates(except vertebrates)

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