Question

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Difference between fibres of voluntary muscles and cardiac muscles.

Answer 1

Voluntary Muscles:

1. There are striated and skeletal muscles.
2. They are cylindrical and unbranched.
3. Intercalated disc is absent.
4. Subject to fatigue.

Cardiac Muscle:

1. They are involuntary muscles found in heart.
2. They are branched and form network.
3. Intercalated disc is present.
4. Immune to fatigue.

Answer 2

Answer:

Voluntary muscle is responsible for causing movements of the skeleton at joints. It is innervated by the somatic nervous system. ... Cardiac muscle is myogenic meaning muscle fibres can stimulate contractions without needing input from a nerve impulse.

Explanation:

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