shaft of the bone, dense compact bone covered by a hard outer casingq
periosteum
hard outer casing of the bone
epiphysis
bone end less dense spongy bone covered by articular cartilage
articular cartilage
covers the bone ends and allows the bones to move more freely over each other and ot protect the bone beneath from possible friction
Name the five functions of the skeleton
Storage - Shape - Protection - Production - Movement
What does the skeleton store?
In the long bones there is a storage of mineral like calcium and phosphorus necessary for bone health
Shape?
The skeleton gives us our supportive framework giving us our charateristic shape.
Protection?
The skeleton protects delicate structures . the skull protects the brain
Production?
Red and white blood cells are produced in the bone marrow. Red blood cells carry oxygen around the body. White blood cells contribute to the bodys defensive system.
What is osteoporosis?
Brittle bone disease.
What is a joint
When two or more bones meet to form a joint whether they allow movement or not.
Ligaments connect
bone to bone prevent unwanted movement make joints more stable
Name the three types of joints
Immoveable Slightly moveable Freely moveable
Immoveable fibrous fixed joint
no joint cavity bones are held together by fibrous connective tissue little or no movement possible
Bone is classified as what?
Connective tissue
Ossification means what?
When calcium and minerals are deposited on cartilage which then hardens and becomes bone.
