The multinucleated mass of the bone-breaking cells is called:
Correct answer: A. Osteoclasts
- A. Osteoclasts
- B. Osteoblasts
- C. Osteogenesis
- D. Osteocytes
Explanation
'Osteoclasts' are multinucleated cells that derive from hematopoietic progenitors in the bone marrow, which also give rise to monocytes in peripheral blood. Osteoclasts break down bone tissue, and along with that, osteoblasts and osteocytes form the structural components of bone.
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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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