Question 8
How do you distinguish between a skeletal muscle and a cardiac muscle?
| Skeletal muscle |
| Cardiac muscle |
1. | The cells of skeletal muscles are unbranched. | 1. | The cells of cardiac muscles are branched. |
2. | Intercalated discs are absent. | 2. | The cells are joined with one another by intercalated discs that help in coordination or synchronization of the heart beat. |
3. | Alternate light and dark bands are present. | 3. | Faint bands are present. |
4. | They are voluntary muscles. | 4. | They are involuntary muscles. |
5. | They contract rapidly and get fatigued in a short span of time. | 5. | They contract rapidly but do not get fatigued easily. |
6. | They are present in body parts such as the legs, tongue, hands, etc.
| 6. | These muscles are present in the heart and control the contraction and relaxation of the heart.
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