Question

unlike compact bone, spongy bone (also called cancellous bone) resembles a network of bony struts separated by spaces that are normally filled with _____________.
answer:
bone marrow
lamellae
lacunae
osteocytes
i dont know yet

Explanation:

Spongy bone has spaces filled with bone marrow. Lamellae are layers in bone, lacunae are small cavities for osteocytes, but the spaces in spongy bone are filled with bone - marrow.

Answer:

A. bone marrow