Wiley chapter 6 Homework

Cells active when cartilage needs to be removed so new bone can be produced.

osteoclasts

List the order of the zones in an epiphyseal plate from the diaphyseal region to the distal epiphysis. A: Zone of calcified cartilage B: Zone of hypertrophic cartilage C: Zone of proliferating cartilage D: Zone of resting cartilage

a,b,c,d

The ______ is composed of hyaline cartilage and reduces friction between bones involved in a joint.

articular cartilidge

Ikea is a ten year old child raised on the planet Beneckea which has half the gravity of earth. Her parents have decided to move their family back to earth. Will Ikea need to increase or decrease her bone mass to live comfortably on earth?

increase

The cells active in fracture repair during the production of the hard (spongy bone) callus.

osteoblasts

How are osteons in compact bone tissue aligned? How does the osteon arrangement affect bone strength?

parallel to the length of the diaphysis; the shaft resists bending even when stresses are applied in certain directions.

Bone mass reduction is promoted by which hormone?

parathyroid hormone