Which bone tissue forms the hard outer surface of bones?

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Study for the Muscular System and Skeletal System Exam. Learn with flashcards and multiple choice questions, where each question has explanations and hints. Be well-prepared and confident on your test day!

Multiple Choice

Which bone tissue forms the hard outer surface of bones?

Explanation:
Dense, tightly packed bone tissue forms the hard outer surface of bones. This compact bone, or cortical bone, is organized into osteons with concentric lamellae around a central channel, giving the exterior its great strength and rigidity to resist weight and bending. Inside the bone, spongy bone has a lighter, porous lattice (trabeculae) that supports tissue and houses marrow. Marrow itself fills internal cavities and produces blood cells, while the periosteum is a protective membrane covering the outside of the bone, involved in nourishment and repair but not bone tissue itself.

Dense, tightly packed bone tissue forms the hard outer surface of bones. This compact bone, or cortical bone, is organized into osteons with concentric lamellae around a central channel, giving the exterior its great strength and rigidity to resist weight and bending. Inside the bone, spongy bone has a lighter, porous lattice (trabeculae) that supports tissue and houses marrow. Marrow itself fills internal cavities and produces blood cells, while the periosteum is a protective membrane covering the outside of the bone, involved in nourishment and repair but not bone tissue itself.

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