Multiple choice

The muscles associated with the heart of insects are

  1. radial

  2. alary

  3. striped

  4. pericardial
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

In insects, the alary muscles are wing-like muscles associated with the heart that help expand the heart chamber during diastole. These muscles are crucial for facilitating hemolymph flow through the dorsal vessel and are unique to the insect circulatory system.

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