Choose the correct statements regarding muscle contraction.
A. A motor neuron carries a signal sent by the Central Nervous System (CNS) to the sarcolemma of the muscle fibre.
B. The neural signal generates an action potential which causes the release of \({\mathrm{Ca}}^{++}\) into sarcoplasm.
C. Increase in \({\mathrm{Ca}}^{++}\) inactivates the actin for breaking cross bridges.
D. Actin binds to the myosin head to form a cross bridge.
E. Shortening of sarcomere takes place, by pulling actin filaments towards the centre of ' A ' band.
Choose the correct answer from the options given below:

[NEET 2026]

Question

Choose the correct statements regarding muscle contraction.
A. A motor neuron carries a signal sent by the Central Nervous System (CNS) to the sarcolemma of the muscle fibre.
B. The neural signal generates an action potential which causes the release of \({\mathrm{Ca}}^{++}\) into sarcoplasm.
C. Increase in \({\mathrm{Ca}}^{++}\) inactivates the actin for breaking cross bridges.
D. Actin binds to the myosin head to form a cross bridge.
E. Shortening of sarcomere takes place, by pulling actin filaments towards the centre of ' A ' band.
Choose the correct answer from the options given below:

[NEET 2026]

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