Skeletal System

Question 1

Osteoblasts

Answer 1

Immature bone forming cells

Question 2

Osteoclasts

Answer 2

Break down old or damaged bone cells

Question 3

Bone Deposition

Answer 3

Formation of bone

Question 4

Bone Resorption

Answer 4

Removal of bone

Question 5

Vitamin D

Answer 5

Calcium absorption

Question 6

Vitamin A

Answer 6

Promote osteoblast and osteoclast activity

Question 7

Vitamin C

Answer 7

Collagen synthesis

Question 8

Hematopiesis

Answer 8

Formation of blood cells in the bone marrow

Question 9

What does red bone marrow produce?

Answer 9

Red blood cells, white blood cells, and platelets

Question 10

What does yellow bone marrow do?

Answer 10

Stores fat

Question 11

What are bones made of?

Answer 11

Hydroxyapatite (Calcium Phosphate) and collagen

Question 12

Intramembranous Ossification

Answer 12

Replacement of sheet-like connective tissue membranes with bony tissue

Question 13

Endochondral Ossification

Answer 13

Replacement of hyaline cartilage with bony tissue

Question 14

What layers do the epiphyseal plate form?

Answer 14

Resting, proliferating, hypertrophic, and calcified cartilage

Question 15

Growth Hormone

Answer 15

Stimulates cartilage cell division

Question 16

Thyroid

Answer 16

Decreases calcium levels in the blood by releasing calcitonin

Question 17

Parathyroid

Answer 17

Increases calcium levels in the blood by releasing parathyroid hormone

Question 18

Sex Hormones

Answer 18

Promote bone tissue formation

Question 19

Physical Stress

Answer 19

Stimulates bone growth

Question 20

Hematoma

Answer 20

Large blood clot

Question 21

What does calcitonin do?

Answer 21

Inhibits the breakdown of bone tissue, preventing excess calcium from entering the bloodstream