Question

identify the parts of the bone that arrows a and b point to. a human adult long bone with arrow a pointing to top end of bone and arrow b pointing to middle of bone. epiphysis, diaphysis epiphyseal line,compact bone spongy bone, endosteum

Explanation:

In a long - bone, the end part is the epiphysis which is at the top as pointed by arrow A. The middle shaft of the long - bone is called the diaphysis, which is what arrow B points to.

Answer:

Arrow A points to the epiphysis. Arrow B points to the diaphysis.