17. Bones Flashcards
what does bone do - 5 things
support soft tissue
assist movement
protect internal organs
stores minerals
produce blood cells
what are the 3 bone cells
osteoblasts
osteocytes
osteoclasts
what do osteoblasts do
secrete collagen and organic compounds that are responsible for bone formation
synthesize bones
what does osteocytes do
exchange nutrients and waste materials with the blood
what are osteocytes formed from
osteoblasts
what does osteoclasts do
resorb bone and release minerals back into blood
break down bone
what does spongy bone contain
red bone marrow
what does red bone marrow do
site of red blood cell development
what is spongy bone in terms of location and structure
inner bone
porous
what does compact bone contain
yellow bone marrow
what does yellow bone marrow do
fat storage
what is compact bone in terms of location and structure
outer bone
rigid
