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Question
A pair of triangular muscles in each segment, present on either side of heart in cockroach, is of?
A pair of triangular muscles in each segment, present on either side of heart in cockroach, is of?
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Solution
The correct option is D Alary muscles
A. Alary musclesReason: Alary muscles are so named as they have delta or wing-like structures in some insects. It's contraction and respiratory movements of abdomen increase the pumping force of the Cockroach's heart. It lies immediately on the top of the the dorsal diaphragm. The dorsal vessel present in the cockroach's abdomen called as heart. The contraction of alary muscles causes hemolymph to flow into the pericardium from perivisceral cavity and then into the heart.
A. Alary muscles
Reason: Alary muscles are so named as they have delta or wing-like structures in some insects. It's contraction and respiratory movements of abdomen increase the pumping force of the Cockroach's heart. It lies immediately on the top of the the dorsal diaphragm. The dorsal vessel present in the cockroach's abdomen called as heart. The contraction of alary muscles causes hemolymph to flow into the pericardium from perivisceral cavity and then into the heart.
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