Question

The diaphysis of a long bone is composed of:

A) a ring of spongy bone around a marrow-filled central channel.
B) a ring of compact bone around a marrow-filled central channel.
C) a ring of spongy bone around a central channel filled with compact bone.
D) a ring of compact bone around a central channel filled with spongy bone.

Answer 1

B i just got past skeletal structure in my health sciences class

Answer 2

Answer: B.) a ring of compact bone around a marrow-filled central channel.

Explanation: Inside the diaphysis of a long bone is a marrow-filled central channel. A layer of compact bone surrounds the cavity, providing structure and strength to the bone.