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In Periplaneta americana, the blood vasc...

In Periplaneta americana, the blood vascular system is of ____A_______ type. Blood vessels are ______B__________. The visceral organs are located in ________C________ . ________C__________ is filled with a fluid which is composed of __________D______ and _________E________ .

A

`{:(A,B,C,D,E),("Closed","Absent","Enterocoel","Plasma","Haemocytes"):}`

B

`{:(A,B,C,D,E),("open","Poorly developed","Haemooel","RBC","Haemolymph"):}`

C

D

`{:(A,B,C,D,E),("open","Poorly developed","Haemooel","plasma","Haemocytes"):}`

Text Solution

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The correct Answer is:
A
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