Final answer:
Compact bone tissue is dense and primarily composed of calcium phosphate, making up the outer layer of bones.
Explanation:
Compact bone tissue is a type of bone tissue that is very dense and mostly made up of calcium phosphate. It forms the hard external layer of all bones, accounts for about 80% of the total bone mass, and consists of osteons, which are cylinder-shaped units within the bone.
Learn more about Bone Tissue here:
https://brainly.com/question/39924896
