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Questions and Answers
Which organelles are important in the skeletal muscle system?
Which organelles are important in the skeletal muscle system?
- Mitochondria
- Myofibrils (correct)
- Lysosomes
- Golgi Apparatus
What are the two types of filaments involved in muscle contraction?
What are the two types of filaments involved in muscle contraction?
- Hemoglobin and Myoglobin
- Actin and Myosin (correct)
- Tropomyosin and Troponin
- Keratin and Collagen
What is muscle relaxation?
What is muscle relaxation?
- The termination of muscle contraction
- The return of muscle fibers to their low tension-generating state (correct)
- The activation of tension-generating sites within muscle cells
- The production of muscle tension without changes in muscle length
How is a muscle contraction described if the muscle tension changes but the muscle length remains constant?
How is a muscle contraction described if the muscle tension changes but the muscle length remains constant?
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What does muscle contraction refer to in physiology?
What does muscle contraction refer to in physiology?
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