Which cells secrete flexible, elastic, non-living matrix collagen that surrounds the cartilage?
Correct answer: C. Chondrocytes
- A. Osteocytes
- B. Osteoclasts
- C. Chondrocytes
- D. Osteoblasts
Explanation
'Chondrocytes' are the first chondroblast cells that produce the collagen extracellular matrix (ECM) and then get caught in the matrix. Options A, B, and D are wrong because all three cells are related to bone whereas 'option C' is related to cartilage.
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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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