Lesson 21.2: Vocabulary II Name Class Date
Fill in the blank with the appropriate term.
1. Cartilage is a type of dense tissue.
2. The skeleton provides attachment surfaces for .
3. The skeleton maintains homeostasis.
4. When mineral levels in the blood are too high, bones absorb some of the minerals
and store them as mineral .
5. Bone matrix is crisscrossed by blood vessels and .
6. Osteoclasts dissolve minerals in bone .
7. Bone marrow is found inside the pores of bone.
8. Early in the development of a human fetus, the skeleton is made entirely of
.
9. By birth, several areas of cartilage remain in the skeleton, including the ends of the
bones.
10. With the help of muscles, joints work like mechanical .
11. The surfaces of bones at joints are covered with a smooth layer of cartilage that
reduces at the points of contact between the bones.
12. Immovable joints allow no movement because the bones at these joints are held
securely together by dense .