Question

the cardiac sorrounds the band of circular muscles. what does it mean?
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Answer 1

Answer:

The skeletal muscles are voluntary muscles which allow for the movement of bones and joints, while cardiac muscles are involuntary, and found only in the heart. The cardiac muscle also has a slightly different appearance from skeletal muscle, although both share the striated trait characteristic of muscle tissue which contains sarcomeres. Some people use the term “striated muscle” to refer specifically to skeletal muscle, separating cardiac muscle into another category to avoid confusion.

Explanation: