Spongy bone is always surrounded by:
Correct answer: A. Compact bone
- A. Compact bone
- B. Cartilage
- C. Osteoblast cells
- D. Osteoclast cells
Explanation
The spongy bone is usually surrounded by a shell of the compact bone which provides added strength and rigidity. Spongy bone is usually located at the ends of the long bones (the epiphyses), with the harder compact bone surrounding it. It is also found inside the vertebrae, in the ribs, in the skull and the bones of the joints. Spongy bone is softer and weaker than compact bone but is also more flexible.
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About Human Skeleton
The human skeleton provides support, protects organs, enables movement with muscles and stores minerals while bone marrow produces blood cells. Questions cover the axial and appendicular skeleton, types of bones and joints, cartilage, ligaments and tendons, and the difference between fixed, slightly movable and freely movable joints.
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