Alary muscle is associated with

Alary muscle is associated with

Options

(a) Heart and circulation
(b) Malpighian tubules and excretion
(c) Trachea and respiration
(d) None of the above

Correct Answer:

Heart and circulation

Explanation:

Alary muscles are a pair of triangular 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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