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Questions and Answers
What is the fundamental unit of muscle tissue?
What is the fundamental unit of muscle tissue?
What happens to muscle fibres when stimulated?
What happens to muscle fibres when stimulated?
What is the primary function of muscles in the body?
What is the primary function of muscles in the body?
What is the arrangement of muscle fibres?
What is the arrangement of muscle fibres?
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What is the collective function of muscles in the body?
What is the collective function of muscles in the body?
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What is the shape of muscle fibres?
What is the shape of muscle fibres?
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What is the function of myofibrils in muscle fibres?
What is the function of myofibrils in muscle fibres?
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What is the result of muscle fibre contraction?
What is the result of muscle fibre contraction?
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What is the role of muscles in maintaining body position?
What is the role of muscles in maintaining body position?
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What is the outcome of muscle action in the body?
What is the outcome of muscle action in the body?
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Study Notes
Muscle Tissue Structure
- Each muscle is composed of many long, cylindrical fibers arranged in parallel arrays.
- These fibers are made up of numerous fine fibrils, called myofibrils.
Muscle Function
- Muscle fibers contract (shorten) in response to stimulation.
- After contraction, muscle fibers relax (lengthen) and return to their uncontracted state in a coordinated fashion.
- The action of muscles moves the body to adjust to environmental changes and maintain the positions of various body parts.
- Muscles play an active role in all body movements.
Muscle Tissue Structure
- Each muscle is composed of many long, cylindrical fibers arranged in parallel arrays.
- These fibers are made up of numerous fine fibrils, called myofibrils.
Muscle Function
- Muscle fibers contract (shorten) in response to stimulation.
- After contraction, muscle fibers relax (lengthen) and return to their uncontracted state in a coordinated fashion.
- The action of muscles moves the body to adjust to environmental changes and maintain the positions of various body parts.
- Muscles play an active role in all body movements.
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Description
Understand the composition and function of muscle tissue, including muscle fibers, myofibrils, and contraction and relaxation mechanisms.
