Question

choose the correct answer. c is the _______. periosteum medullary cavity articular cartilage spongy bone

Explanation:

The medullary cavity is the central cavity of a long - bone that contains marrow. In the structure of a long bone, the medullary cavity is located in the diaphysis (shaft) of the bone. The periosteum is the outer covering of the bone, articular cartilage is at the ends of bones for smooth movement at joints, and spongy bone is found at the ends of long bones and in other bones. Based on the typical structure of a long bone, C is the medullary cavity.

Answer:

B. medullary cavity