Closed circulatory system is present in

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(A) Circulatory patterns are of two types:$1$. Open Circulatory Pathways: Present in arthropods and molluscs,in which the blood pumped by the heart pa

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Annelids and chordates

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(A) Circulatory patterns are of two types:$1$. Open Circulatory Pathways: Present in arthropods and molluscs,in which the blood pumped by the heart passes through large vessels into open spaces of the body cavity called sinuses.$2$. Closed Circulatory Pathways: Annelids and chordates have a closed circulatory system in which the blood pumped by the heart is always circulated through a closed network of blood vessels. This pattern is considered to be more advantageous as the flow of fluid can be more precisely regulated.

List-$I$	List-$II$
$(a)$ Metamerism	$(i)$ Coelenterata
$(b)$ Canal system	$(ii)$ Ctenophora
$(c)$ Comb plates	$(iii)$ Annelida
$(d)$ Cnidoblasts	$(iv)$ Porifera

Similar Questions

Which of the following are correctly matched with respect to their taxonomic classification?

Which two phyla of animals exhibit metamerism (segmentation)?

Match List-$I$ with List-$II$.
List-$I$ List-$II$
$(a)$ Metamerism $(i)$ Coelenterata
$(b)$ Canal system $(ii)$ Ctenophora
$(c)$ Comb plates $(iii)$ Annelida
$(d)$ Cnidoblasts $(iv)$ Porifera

Choose the correct answer from the options given below.

In which phyla is radial symmetry observed?

Among the following animals, which one produces the smallest egg?

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