Question

a hollow space inside the bone​

Answer 1

The diaphysis is the tubular shaft that runs between the proximal and distal ends of the bone. The hollow region in the diaphysis is called the medullary cavity, which is filled with yellow marrow. The walls of the diaphysis are composed of dense and hard compact bone. ... Red marrow fills the spaces in the spongy bone.

Answer 2

Answer:

cavity

Explanation:

Bones are hollow ,so the inside part which is hollow is called cavity.