Hard, dense bone tissue, usually found around the outer portion of bones is called?

Hard, dense bone tissue, usually found around the outer portion of bones is called?

• A. Compact Bone
• B. Spongy Bone
• C. Bone Marrow
• D. Vascular

Answer: (A)

The hard, dense bone tissue around the outside of bones is compact bone. This dense outer shell, also called cortical bone, gives bones most of their strength and weight-bearing capacity. It’s organized into tightly packed units called osteons, with a central canal for blood vessels and nerves, which helps support the body under stress. Spongy bone, in contrast, is a lighter, porous network found mainly inside the ends of long bones and in flat bones. Bone marrow sits inside the medullary cavity, not in the dense outer layer. Vascular refers to blood vessels, not a bone tissue type.

The hard, dense bone tissue around the outside of bones is compact bone. This dense outer shell, also called cortical bone, gives bones most of their strength and weight-bearing capacity. It’s organized into tightly packed units called osteons, with a central canal for blood vessels and nerves, which helps support the body under stress. Spongy bone, in contrast, is a lighter, porous network found mainly inside the ends of long bones and in flat bones. Bone marrow sits inside the medullary cavity, not in the dense outer layer. Vascular refers to blood vessels, not a bone tissue type.