What is the role of hyaline cartilage in the body?

Correct Answer: C

Rationale: Hyaline cartilage covers articulating bone ends in synovial joints, reducing friction. Tendons attach muscle, ligaments reinforce, synovial membrane produces fluid. Answer is C, per the document.

Correct Answer: A

Rationale: The xiphoid process is the inferior tip of the sternum, not humerus, temporal (mastoid/styloid), or tibia. Answer is A, per the document.

Correct Answer: C

Rationale: An osteon is a cylindrical unit of compact bone with concentric lamellae around a Haversian canal, not spongy bone, membrane, or bone end. Answer is C, per the document.

Correct Answer: D

Rationale: Bones’ strength comes from calcium and phosphorus in hydroxyapatite, forming a hard matrix. Silica is minimal, cartilage is flexible, blood/marrow fill spaces—not strength sources. 'Calcium and phosphorous' is correct.

Correct Answer: B

Rationale: Tendons are fibrous tissues connecting muscles to bones, transmitting force for movement. Ligaments link bones, not muscles to ligaments or bone cells, making 'To link muscles to bones' correct.