Which Component of Bone Tissue Forms the Hard Outer Shell

Question

Which component of bone tissue forms the hard outer shell of bones?
A) bone marrow
B) compact bone
C) spongy bone
D) cartilage

Accepted Answer

Compact bone forms the hard outer shell of bones, whereas spongy bone is located inside and bone marrow is found within the cavities of bones. Cartilage is a different type of connective tissue that is not part of bone tissue.