In this type of circulatory system, veins are | vedclass

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Question

(C) In an $Open$ $circulatory$ $system$, the blood is pumped out of the heart into blood vessels that open into body cavities or sinuses called $haemo

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Open circulatory system

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(C) In an $Open$ $circulatory$ $system$, the blood is pumped out of the heart into blood vessels that open into body cavities or sinuses called $haemocoel$.There is no distinction between blood and interstitial fluid, and the blood flows directly over the tissues.Since there is no complex network of capillaries or veins to return the blood to the heart, veins are considered absent in this system.In contrast, a $Closed$ $circulatory$ $system$ involves blood flowing through a series of vessels of varying diameters (arteries, veins, and capillaries).

In this type of circulatory system, veins are absent.

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