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Questions and Answers
Which type of muscle is found only in the heart?
Which type of muscle is found only in the heart?
- Skeletal muscle
- Striated muscle
- Cardiac muscle (correct)
- Smooth muscle
What is the purpose of controlled muscle contraction?
What is the purpose of controlled muscle contraction?
- To propel contents through various hollow internal organs
- To allow purposeful movement of the whole body or parts of the body (correct)
- To empty contents of certain organs to external environment
- To manipulate external objects
What are the contractile elements of a muscle fiber called?
What are the contractile elements of a muscle fiber called?
- A bands
- Thin filaments
- Thick filaments
- Myofibrils (correct)
Which type of muscle appears throughout the body systems as components of hollow organs and tubes?
Which type of muscle appears throughout the body systems as components of hollow organs and tubes?
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What are the two types of filaments in myofibrils?
What are the two types of filaments in myofibrils?
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