bones

Question 1

what do osteoblasts do?

Answer 1

1. make new bone tissue

2. found in immature bone near periosteum

Question 2

what do osteocytes do?

Answer 2

1. mature cells that maintain and monitor bone shape

Question 3

what do osteoclasts do?

Answer 3

1. bone break down cells
2. release calcium and phosphate
3. responsible for growth and repair
4. strengthen bones which have a larger load
5. very large

Question 4

what is hemopoiesis?

Answer 4

when red marrow produces red blood cells

Question 5

name the stages of secondary bone healing

Answer 5

1. tissue destruction and haematoma formation
2. inflamation (1 week)
3. soft callus (2-3 weeks)
4. hard callus (4-12 weeks)
5. remodelling (months-years)