In which of the following is an open circulat | vedclass

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(A) Step $1$: An open circulatory system is a type of circulatory system where the blood is pumped out of the heart into body cavities called sinuses

Vedclass · Accepted Answer

Only $(1)$

Vedclass · Answer

(A) Step $1$: An open circulatory system is a type of circulatory system where the blood is pumped out of the heart into body cavities called sinuses or hemocoel, where tissues and organs are bathed in blood.Step $2$: This type of system is characteristic of Arthropods (e.g., insects, crustaceans) and most Mollusks.Step $3$: Annelids (except leeches) and Chordates possess a closed circulatory system, where blood flows through a series of vessels of varying diameters (arteries, veins, and capillaries).Step $4$: Comparing the given options, only Arthropoda $(1)$ exhibits an open circulatory system.Therefore, the correct option is $A$.

In which of the following is an open circulatory system found?
$(1)$ Arthropoda
$(2)$ Annelida
$(3)$ Chordata

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In which of the following is an open circulatory system found?$(1)$ Arthropoda$(2)$ Annelida$(3)$ Chordata