Question

long bone
h is the ________.
spongy bone epiphysis
medullary cavity compact bone

Explanation:

In the context of long - bone anatomy, the medullary cavity is a central cavity within the diaphysis (the shaft of the long bone). In the given diagram of a long bone, the label \(H\) points to the central hollow region which is characteristic of the medullary cavity. Spongy bone (\(G\)) is found at the ends (epiphyses) of the long bone, the epiphysis (\(A\) and \(F\)) is the end part of the long bone, and compact bone (\(C\)) forms the dense outer layer of the bone.

Answer:

medullary cavity