List the main structural components of a synovial joint and their functions.

List the main structural components of a synovial joint and their functions.

• A. Articular cartilage reduces friction; joint capsule encloses the joint; synovial membrane produces synovial fluid; synovial fluid lubricates; ligaments provide stability; bursae reduce friction.
• B. Articular cartilage stores calcium; joint capsule acts as a gland; synovial membrane makes bone; bursae supply blood.
• C. Articular cartilage is vascular; joint capsule stores nutrients; synovial fluid is structural.
• D. Only bones and cartilage exist; no joint capsule.

Answer: (A)