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Muscle Lecture Exam

QuestionAnswer
Connective tissue surrounding the muscle Epimysium
Connective tissue that surrounds the fascicle Perimysium
Connective tissue that surrounds each muscle fiber Endomysium
What fuses together to form skeletal muscle fibers? Myoblasts
Bundles of myofilaments Myofibrils
material in between z-discs sacromere
Tank-like structures that stores calcium Sarcoplasmic reticulum
Muscle cell membrane sarcolemma
Cell to cell electrical connecter gap junction
What are the three types of skeletal muscle based off the ATP-ase fast, slow, intermediate
Which contracting muscle fibers fatigue the fastest? Fast
Which contracting muscle fibers fatigue the slowest? Slow
Why are slower fibers darker? Myoglobin iron oxide (rust)
Which type of muscle has intercalated discs? Cardiac muscle
Which type of muscle is way short, has no branches, and no striations? Smooth muscle
What is the football shape of smooth muscle? Fusiform
Created by: julie.russell
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