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skeletons
| Question | Answer |
|---|---|
| what are the 5 main functions of the skeletal system? | Movement: the bones are the levers upon which muscles pull Protection: protects vital organs Support and shapes red blood cell production mineral storage: e.g: calcium |
| Bone | 50% water and 50% solid matter of mostly calcium and phosphate. They are living structures, capable of growth, adaption and repair |
| Axial skeleton | Bones of the head and trunk of a vertebrate |
| Appendicular skeleton | skeletal elements within the limbs, supporting chest and pelvic area |
| what are the 5 types of bones? | long, short, flat, irregular and sesamoid |
| Long bones | Long, narrow bones containing marrow within the shaft example: radius and phalanges |
| Short bones | Bones that are as wide as they are long Example: carpals |
| flat bones | Protects vital organs. large flat surface area provides protection and areas of muscles to attach example: cranium |
| irregular bones | No standard shape-shaped for their particular function example: Mandible |
| resamoid bones | short, irregular bones embedded in a tendon examples:patella |
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