Question

the cortex of the long bones diaphysis is made of

multiple choice

marrow

compact bone

spongy bone

dense regular connective tissue

articular cartilage

Explanation:

The cortex of the long - bone's diaphysis is composed of compact bone, which provides strength and support. Marrow is inside the bone, spongy bone is found at the ends of long bones, dense regular connective tissue is for structures like tendons and ligaments, and articular cartilage is at the joints.

Answer:

B. compact bone