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Question : Alary muscle is associated with

Answer»

HEART and circulation
Malpighian tubles and excretion
Trachea and respiration
None of the above

Solution :ALARY muscles are a pair of traingular fan like muscles in the floor of pericardial SINUS of COCKROACH. The respiratory movements of abdomen and contraction of alary muscles INCREASE the pumping force of the cockroach's heart.


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