contraction of skeletal muscle hn 2.0 / 5 based on 3 ratings ? BiologyHuman, animal and plant physiologyA2/A-levelAll boards Created by: Chloe RoundingCreated on: 07-05-11 20:08 Contraction of skeletal muscle When a muscle contracts, the following changes occur to a sarcomere: I-band becomes narrower Z-line move closer together or in other words, the sarcomere shortens. H-zone becomes narrower 1 of 2 2 of 2
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