Irregular striation and involuntary control is related to:
Correct answer: B. Cardiac muscle cells
- A. Smooth muscle cells
- B. Cardiac muscle cells
- C. Skeletal muscle cells
- D. Fibroelastic cartilage cells
Explanation
Skeletal muscle cells have regular striation, while smooth muscle cells do not have striation. Cardic muscle cells, however, have irregular striations with involuntary control.
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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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