Musculoskeletal system paper

Watch the you tube video “crash course biology #31- big guns, the muscular system” as a alternative you may watch several videos from khan Academy including ” the sodium potassium pump” ” anatomy of a muscle cell” ” tropomyosin and troponin a and their role in regarding muscle contraction” and “role of the sacroplasmic reticulum in muscle cells” WRITE 4 PAGE paper detailing the workings of the muscular system. Discuss the following in paper: THE ROLE OF CALCIUM AND ATP ACTIN, MYOSIN, TROPONIN, TROPOMYOSIN HOW THE FILAMENTS SLIDE CROSS BRIDGE CYCLE SACROPLASMIC RETICULUM T- TUBULES SODIUM POTASSIUM PUMP **paper be in 11pt font double spaced..