The figures given here repesent three diferent conditions of sarcomeres. Identify these conditions and select the correct option A. `{:("(A)",(B),(C),),("(Contractin)",("Relaxed"),("Maximally contracted"),):}`B. `{:("(A)",(B),(C),),("(Relaxed)",("Contracting"),("Maximally contracted"),):}`C. `{:("(A)",(B),(C),),("(Maximally contracted)",("Contracting"),("Relaxed"),):}`D. `{:("(A)",(B),(C),),("(Relaxed)",("Contracted"),("Contracting"),):}`

The figures given here repesent three diferent conditions of sarcomere

1.	The figures given here repesent three diferent conditions of sarcomeres. Identify these conditions and select the correct option A. `{:("(A)",(B),(C),),("(Contractin)",("Relaxed"),("Maximally contracted"),):}`B. `{:("(A)",(B),(C),),("(Relaxed)",("Contracting"),("Maximally contracted"),):}`C. `{:("(A)",(B),(C),),("(Maximally contracted)",("Contracting"),("Relaxed"),):}`D. `{:("(A)",(B),(C),),("(Relaxed)",("Contracted"),("Contracting"),):}`
Answer» Correct Answer - B In the given figure A, the length of the two sarcomeres is normal i.e., the muscle is in relaxed state. In figure B. the length of sarcomeres, shortens, H-zone narrows and size of l-band decreases i.e., the muscle is contracting. In figure C, the length of sarcomere further shortens and H-zone disappears and l-band further decreases i.e., the muscle is maximally contracted.

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