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Which one of the following is a function of cartilage? See Section 32.2 (Page 610) . A) Cartilage forms a matrix hardened by deposits of calcium phosphate. B) Cartilage provides the supporting framework for the respiratory passages. C) Cartilage provides a framework for organs such as the liver. D) Cartilage is a specialized form of blood and lymph. E) Cartilage is produced and secreted by exocrine glands.

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Answer:

B) Cartilage provides the supporting framework for the respiratory passages.

Explanation:

Cartilage is a type of connective tissue with rigid but flexible consistency. Its function is to coat joints, dampen the friction between bones and provide support for some parts of the body.

  • Its matrix is not hardened by deposits of calcium like bone tissue, so alternative A is incorrect.
  • Cartilage is not present in organs such as liver, so alternative C is incorrect.
  • Cartilage is not a blood or lymph type, so alternative D is incorrect.
  • Cartilage is formed from embryonic mesenchymal cells and not produced by exocrine glands, so alternative E is incorrect.

Cartilage plays an important role in the structure of respiratory system organs such as the nose, trachea and larynx. Alternative B is correct.

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