Skeletal System

Question 1

Function of bones

Answer 1

protect, support
mechanical basis for movement
create blood cells in marrow

Question 2

fibrous tissue

Answer 2

-connective tissue in solid matrix
-resilience and flexibility
-more in children

Question 3

what makes bone hard and rigid

Answer 3

-crystals of hydrated calcium phosphate
-salts
-more with age, brittle bones

Question 4

where is compact bone

Answer 4

-outer surfaces of all bones
-entire thickness of long bones, not ends
-concentric layers

Question 5

where are blood vessels in compact bone

Answer 5

Haversian canals

Question 6

What is spongy/trabecular bone, examples

Answer 6

-thin plates forming trabecular
-exists within compact bones
-vertebral bodies, ends of long bones, pelvic bones

Question 7

what is the axial skeleton

Answer 7

-central
-skull, vertebrae, ribs, sternum

Question 8

what is the appendicular skeleton

Answer 8

-extremities
-limbs, shoulder girdle, pelvic girdle

Question 9

what are bone shapes

Answer 9

long, short, flat, irregular, sesamoid