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Question
Distinguish between smooth muscles and skeletal muscles.
Solution
| No. | Smooth Muscles | Skeletal Muscles |
| 1. | These muscles are found in the walls of visceral organs and blood vessels. | These muscles are found attached to the bone. |
| 2. | Each muscle cell is spindle-shaped or fusiform and unbranched. | They are cylindrical in shape and branched. |
| 3. | They have a single, centrally located nucleus. | They contain several nuclei that are shifted to the periphery due to the presence of large number of myofibrils. |
| 4. | Striations are absent in smooth muscles. | Striations are present in skeletal muscles |
| 5. | They undergo slow and sustained involuntary contractions. | They show quick and strong voluntary contractions. |
| 6. | They contain lesser myosin are more actin as compared to skeletal muscles. | They contain more myosin and lesser actin as compared to smooth muscles. |
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