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Human skeleton

40 questions found

Practice Questions

The primary function of cartilage at the ends of long bones is to:

A. Produce blood cells
B. Reduce friction during movement ✓
C. Store calcium ions
D. Attach muscles to bones

Correct: Articular cartilage provides a smooth surface for movement and absorbs shock. A: Blood cells form in bone marrow. C: Calcium is mainly stored in bone. D: Tendons attach muscles to bones. Concept: Functions of cartilage.

nmdcat.online BIO NMDCAT
Jul 27, 2026

Which characteristic best distinguishes bone from cartilage in humans?

A. Presence of living cells
B. Presence of extracellular matrix
C. Rich blood supply ✓
D. Ability to support body weight

Correct: Bone is vascular, whereas cartilage is avascular. A: Both contain living cells. B: Both possess extracellular matrices. D: Both contribute to support, although bone is the primary supporting tissue. Concept: Comparison between bone and cartilage.

nmdcat.online BIO NMDCAT
Jul 27, 2026
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