Bone Remodeling

Question 1

bone remodeling

Answer 1

ongoing replacement of old bone tissue by new bone tissue

Question 2

calcium

Answer 2

mineral needed to form the extracellular matrix in bone; found in dairy products, beans, seeds & leafy greens

Question 3

bone remodeling before age 25

Answer 3

stage in life in which osteoblast activity & bone formation is more prevalent than osteoclast activity & bone resorption

Question 4

bone remodeling after age 50

Answer 4

stage in life in which osteoclast activity & bone resorption is more prevalent than osteoblast activity & bone formation

Question 5

osteoblast

Answer 5

bone forming cells

Question 6

osteoclast

Answer 6

Bone-destroying cells

Question 7

factors that increase osteoblast activity/decrease osteoclast activity

Answer 7

gravity; exercise; excess calcium in the blood

Question 8

factors that increase osteoclast activity/decrease osteoblast activity

Answer 8

zero gravity; immobility; loss of calcium in the blood