So I found these study questions online without answers and

So I found these study questions online without answers and I\'ve answered them on my own. I\'m just looking for anyone who can help me confirm what\'s correct :)

The cortex of the long bone\'s diaphysis is made of _________.

A. marrow

B. compact bone

C. spongy bone

D. dense regular connective tissue

E. articular cartilage

Solution

when we closely see the structure any long bone may be its Humerus or Femur their cortex in made up of Compact bone.