exercise_muscular_topic_1

exercise_muscular_topic_1 - The Muscular System Skeletal...

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1. Fill in the characteristics of the three muscle types: Muscle Type Cardiac Skeletal Smooth Shape of cell # of nuclei Striations Control 2. What attaches muscles to bone? _____________________. 3. The whole muscle is composed of muscle cells (fibers) grouped in bundles called ______________. 4. Name the connective tissue coverings surrounding the following: Whole muscle __________________ Fascicles __________________ Muscle cell __________________ 5. Match the following three terms with their definitions: Sarcolemma - endoplasmic reticulum in muscle cell Sarcoplasmic reticulum - intracellular fluid around organelles Cytosol - plasma membrane of muscle cell 6. Match the following three terms with their definitions: Terminal cisternae - T-tubule + 2 terminal cisternae T-tubules - part of sarcolemma—carries action potential Triad - part of sarcoplasmic reticulum—stores calcium ions 7. Myofibrils consist of contractile proteins called ___________________. Name the two types and what they’re composed of:
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exercise_muscular_topic_1 - The Muscular System Skeletal...

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