Bones Flashcards
1
Q
True or False: Bone is a dynamic living tissue.
A
True.
2
Q
Define bone remodeling:
A
New bone is deposited and old bone is resorbed.
3
Q
Bone functions:
A
- Support to resist physical stress
- Protection of soft organs (skull, ribs, pelvis)
- Levers for muscle action
- Reservoir for calcium/ phosphate ions
- Blood cell production (marrow cavity)
4
Q
What is the bone composed of.
A
Mineralized Extracellular Matrix (ECM, ground substance)