PLEASEPLEASEPLEASE HELP ME IVE BEEN ASKING FOR ALMOST AN HOUR NOW AND NO ONES HELPING ME ILL GIVE BRAINLIEST PLS JUST HELP :((

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Explanation:

The mechanism of contraction is the binding of myosin to actin, forming cross-bridges that generate filament movement (Figure 19.36).

Figure 38.36.  When (a) a sarcomere (b) contracts, the Z lines move closer together and the I band gets smaller. The A band stays the same width and, at full contraction, the thin filaments overlap.

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