Bones

Question 1

what do bones do?

Answer 1

support and shape the body
protects vital and delicate organs
attachment point for muscles, tendons, and ligaments that allow for movement

Question 2

what else do bones do?

Answer 2

store mineral salts

contain hematopoetic red bone marrow

Question 3

what are bones composed of?

Answer 3

Specialized form of connective tissue
50% water and 50% solid material
contains inorganic salts (minerals) that give it hardness
the salts in bone is what allows you to see them on x-ray

Question 4

when skeleton is first forming it is made of ____ then turns to bone

Answer 4

cartilage

Question 5

as the body ages, bones become more ____ and lose ____

Answer 5

porous
mass/density
**this causes bones to be more brittle as you get older

Question 6

oste/o

Answer 6

bone

Question 7

periosteum

Answer 7

fibrous protective membrane that covers around the bone

rich in blood vessels, nerves, and marrow

Question 8

compact bone

Answer 8

hard, dense bone material found in the outer layer of the bone

Question 9

spongy/cancellated

Answer 9

inner, spongy lattice like structure with spaces filled with marrow