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Question
Observe and compare the structures of different types of muscle tissues. Note their shape, number of nuclei and position of nuclei within the cell.
Activity
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Solution
| Basis of comparison | Striated (skeletal) muscle | Smooth muscle | Cardiac muscle |
|---|---|---|---|
| Shape | Long, cylindrical and unbranched | Spindle-shaped, tapering at both ends | Cylindrical and branched |
| Number of nuclei | Many nuclei | One nucleus | Usually one nucleus; occasionally two |
| Position of nuclei | At the periphery, just beneath the cell membrane | Centrally located | Centrally located |
| Other visible feature | Alternating light and dark bands | No striations | Striations and intercalated discs |
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