Bones Flashcards
What are the functions of the bones?
Protection, storage, movement, and blood cell formation
Skeletal system
The organ system whose primary function is to support and protect the body and to allow the body to move
Osteoblasts
Bone forming cells
Osteocytes
Bone cells
Osteoclasts
Bone resorbing cells (break down bone)
All bones start out as a _____ _____ then _____ (____) into bone
Cartilage model
Harden
Ossify
Periosteum
Membrane that covers the bone
Compact bone
Dense, outer layer of the bone
Spongy bone
- many open spaces
- provides most of the strength & support for the bone
- stores red marrow
Bone tissue
A type of dense connective tissue
Red marrow
Makes blood cells
Yellow marrow
Found in the medullary cavity, stores fat
Growth plate
Band of cartilage at the end of a bone, where it can grow in length
Growing cartilage
Becomes Hard bone by osteoblasts depositing minerals like calcium
Calcium
Mineral that is important for making healthy bones