In muscle contraction all are true except

NEET PG Physiology
#1

In muscle contraction all are true except

    1. A band remains unchanged
    1. H zone disappears
    1. I band becomes wider
    1. Two Z lines come closer

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EXP:

Changes during muscle contraction

  •    H zone- disappears

  •    A band- width remains unchanged

  •    I band- width decreased

  •    Z lines- come closer. Sarcomeres shortened.