BONES
Of Skeletal System
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Spine – cervical, thoracic and lumbar vertebrae, sacrum and tailbone (coccyx) Chest – ribs and breastbone (sternum) Arms – shoulder blade (scapula), collar bone (clavicle), humerus, radius and ulna. Hands – wrist bones (carpals), metacarpals and phalanges.
Typology: Lecture notes
2020/2021
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BONES
Of Skeletal System
BONES
- (^) Provide structure for our bodies.
- (^) Adult human skeleton is made up of 206 bones.
- (^) Work with muscles and joints to hold our body together and support freedom of movement.
- (^) Contain most of our body’s calcium supply.
- (^) They are technically organs, because they contain more than one type of tissue.
- (^) They regenerates, breaks down and repairs itself throughout your lifetime. FUN FACT: You basically get a whole new skeleton every 7 to 10 years.
OSTEOCALCIN
Regulates Bone Formation
AXIAL BONES APPENDICULAR BONES
BONE TYPES
- (^) LONG BONES
- (^) SHORT BONES
- (^) FLAT BONES
- (^) IRREGULAR BONES
BONE TISSUE
- (^) COMPACT OR DENSE TISSUE
- (^) SPONGY OR CANCELLOUS TISSUE
- The hard, smooth layer that protects the tissue within.
- Helps the bone resist
stress.
BONE MARROW
OSTEONS
- Cylindrical structure that run parallel to