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Question

Prawn has an open vascular system.


A

True

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B

False

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Solution

The correct option is A

True


In an open circulatory system, the blood is not confined within blood vessels. The blood bathes the organs and tissues directly. As a result, the blood and the interstitial fluid have no distinction. Open circulatory systems evolved in crustaceans, insects, mollusks and other invertebrates. Prawns belong to phylum arthropoda, which are invertebrates.


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