The region between two successive z-lines is called:
Correct answer: C. Sarcomere
- A. H zone
- B. M-line
- C. Sarcomere
- D. Light band
Explanation
The sarcomere is the contractile unit of muscle fibres. It is the region between two successive z-lines.
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About Support and Movement
Support and movement covers the axial and appendicular skeleton, bone structure, joints and the arrangement of skeletal muscles. Muscle contraction is explained through actin, myosin, sliding filaments, calcium ions and ATP, while arthritis is distinguished as a disorder of joints rather than a normal part of movement.
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