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Karnataka Board PUCPUC Science Class 11

How do you distinguish between a skeletal muscle and a cardiac muscle?

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Question

How do you distinguish between a skeletal muscle and a cardiac muscle?

Distinguish Between
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Solution

  Skeletal muscle Cardiac muscle
1. They are found in the limbs, body walls, tongue, pharynx, and the beginning of the oesophagus. They are present in the heart's wall, pulmonary veins, and superior vena cava.
2. Fibres unbranched. Fibres branched.
3. Light and dark brands are present. Faint light and dark bands are present.
4. Multinucleate Uninucleate
5. Nerve supply through the central nervous system. Nerve supply from the brain and the automated nervous system.
6. No oblique bridges or intercalated discs. No oblique bridges or intercalated discs.
7. They quickly become weary. They never become weary.
8. Extremely fast contraction. Rapid contraction.
9. Voluntary Involuntary
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Chapter 17: Locomotion and Movement - EXERCISES [Page 229]

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NCERT Biology [English] Class 11
Chapter 17 Locomotion and Movement
EXERCISES | Q 8. | Page 229

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