1
Question
Pericardial space in Cockroach is regularly altered by muscles
Pericardial space in Cockroach is regularly altered by muscles
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Solution
The correct option is D Alary
Dorsal diaphragm consists of connective tissue with associated muscles which are called alary muscles. In cockroaches, they resemble wings projecting laterally from the dorsal vessel of each abdominal segment. It is the Alary muscles that help in blood circulation. The alary muscles are associated with all the thirteen chambers of cockroach's heart on either side of it. The alternate contraction and relaxation of these muscles help to pump the blood.So the correct answer is 'Alary'.
Dorsal diaphragm consists of connective tissue with associated muscles which are called alary muscles. In cockroaches, they resemble wings projecting laterally from the dorsal vessel of each abdominal segment. It is the Alary muscles that help in blood circulation. The alary muscles are associated with all the thirteen chambers of cockroach's heart on either side of it. The alternate contraction and relaxation of these muscles help to pump the blood.
So the correct answer is 'Alary'.
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