The alary muscles found in a cockroach are as | vedclass

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(B) In a cockroach,the heart consists of an elongated muscular tube lying along the mid-dorsal line of the thorax and abdomen. It is differentiated in

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Heart

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(B) In a cockroach,the heart consists of an elongated muscular tube lying along the mid-dorsal line of the thorax and abdomen. It is differentiated into funnel-shaped chambers with ostia on either side. Blood from the sinuses enters the heart through these ostia and is pumped anteriorly to the sinuses by the contraction of the heart. The alary muscles are paired triangular muscles attached to the lateral sides of the heart chambers. These muscles help in the circulation of blood by expanding the heart chambers.

The alary muscles found in a cockroach are associated with the:

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