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Locomotion and Movement — BIOLOGY STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceBIOLOGYLocomotion and Movement1 Mark
Question
Give a brief explanation of muscle contraction.
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Answer

When acetylcholine is released from nerve cells the calcium channels open in muscles. This facilitates sliding of actin filaments towards each other. This results in muscle contraction.

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