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muscle _1 - is called a myofibril Muscle Cells(or Fibers...

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Chapter 9: Muscle Tissue Objectives: Compare/Contrast 3 types of muscle tissue Describe the structure of skeletal muscle, from whole muscle down to molecular components inside individual cells
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Three types of Muscle Tissue
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Skeletal Muscle General Functions: Produce skeletal movement Maintain posture and body position Support soft tissues Guard entrances and exits Maintain body temperature
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Skeletal Muscle Anatomy BUNDLE WITHIN A BUNDLE, WITHIN A BUNDLE…. 1. Whole Muscle = bundle of fascicles 2. Fascicle = Bundle of cells 3. Cell contains bundles of proteins (A bundle of these proteins
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Unformatted text preview: is called a myofibril) Muscle Cells (or Fibers) Myofibril Myofibril Hinge Next Topics MUSCLE CONTRACTION MUSCLE CONTRACTION How does a neuron stimulate a muscle cell to contract? – Examine anatomy and physiology of the NEUROMUSCULAR JUNCTION * We will discuss this later (chap 11) * We will discuss this later (chap 11) What happens inside the muscle cell (on a molecular level) that leads to contraction (shortening) of the cell and subsequent tension or force generation? – Describe the SLIDING FILAMENT THEORY SLIDING FILAMENT THEORY...
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