Sarcomere Contraction

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A 5 page research paper that discusses this aspect of the muscular system. A "sarcomere" is the "smallest functional unit of a muscle," which is composed "mainly of the contractile proteins, actin and myosin," with a single sarcomere extending from z-band to the next ("Sarcomere"). The following discussion examines sarcomere contraction, the importance of good nutrition and respiration to contraction and, specifically, what occurs at a synapse when a neuron stimulates a muscle cell. Bibliography lists 5 sources.