1. what is the role of contractile protein in muscle ?
2. what is the specific function of cardiac muscle ?
3. why are skeletal muscle known as striated muscles?
4. How do cardiac muscle resemble both striated and smooth muscles fibres?
5. Write two differences between the muscles present in limbs , wall of elementary canal and heart . Spot your answers with diagram .
6. voluntary muscles are known as skeletal muscles . justify.
cbse board
class 9
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1. contractile proteins in muscle help muscle to contact and expand
2.cardiac muscle are found in heart, these muscle nerve stop working
3.skeletal muscle are known as striated because dark and light bands are present
4.cardiac muscle resemble both as they are branched and striations are present
5.muscle in limbs = voluntary muscle
wall of hearth and elementary canal= involuntary muscle
6.because we can control their movements
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