Animal Kingdom Question 564
Alary muscle is associated with larynx [CPMT 2002]
Options:
A) Heart & circulation
B) Malpighian tubules & excretion
C) Trachea & respiration
D) None of these
Show Answer
Answer:
Correct Answer: A
Solution:
Alary muscles are a pair of triangular, annular-like muscles in the floor of pericardial sinus of cockroach.
The respiratory movements of the abdomen and contraction of the alary muscles increase the pumping force of the cockroach’s heart