Which one of the following is not a character of cardiac muscles?
Correct answer: B. Multinucleated
- A. Striated and branched
- B. Multinucleated
- C. Self excitatory
- D. None of these
Explanation
Each cardiac myocyte contains a single, centrally located nucleus and is surrounded by a cell membrane known as the sarcolemma.
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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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