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Questions and Answers
Which type of filaments are important organelles in the skeletal muscle system?
Which type of filaments are important organelles in the skeletal muscle system?
- Both thin and thick filaments (correct)
- Myofibrils
- Thin filaments
- Thick filaments
What is muscle relaxation?
What is muscle relaxation?
- Activation of tension-generating sites within muscle cells
- Changes in muscle length
- Muscle shortening
- A return of the muscle fibers to their low tension-generating state (correct)
How is muscle contraction described based on two variables?
How is muscle contraction described based on two variables?
- Length and tension (correct)
- Length and muscle fibers
- Tension and relaxation
- Length and relaxation
What are the two types of filaments involved in muscle contraction?
What are the two types of filaments involved in muscle contraction?
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When can muscle tension be produced without changes in muscle length?
When can muscle tension be produced without changes in muscle length?
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