differentiate between striated instructed muscles on the basis of their shape &site in the body
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Answer:
Ans:
Striated muscle
Unstriated muscle
Cardiac muscle
They are cylindrical in shape and multi nucleate.
They spindle shaped and uninucleate.
They are cylindrical branched and uninucleate.
They are present in body parts such as hands and legs.
They are present in the wall of food canal, stomach, mouth, iris etc.
They are present in the heart.
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Cardiac and skeletal muscle are both striated in appearance, while smooth muscle is not. Both cardiac and smooth muscle are involuntary while skeletal muscle is voluntary.
1) Cardiac muscle cells are found only in the heart, and are specialized to pump blood powerfully and efficiently throughout our entire lifetime. Four characteristics define cardiac muscle tissue cells: they are involuntary and intrinsically controlled, striated, branched, and single nucleated
2) Skeletal muscle cells are long, cylindrical, and striated. They are multi-nucleated meaning that they have more than one nucleus. This is because they are formed from the fusion of embryonic myoblasts. Each nucleus regulates the metabolic requirements of the sarcoplasm around it.