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The Skeletal System
the bones
| Term | Definition |
|---|---|
| Skeletal system | bones, cartilage, and the connective tissue that holds bone together |
| Bones | help support, protect, store minerals, and produce blood, is made of connective tissue and minerals |
| Osteoblasts | living cells that deposit minerals |
| Compact bone | the bone tissue that does not have any visible open spaces. It is rigid and dense with tiny canals with it contain small blood vessels. |
| Spongy bone | the bone tissue that has many open spaces. It provides most of the strength and support for a bone. |
| Marrow | a soft tissue found in the bone |
| Cartilage | flexible tissue in which most bones start out as |
| Joint | a place where two or more bones meet. It allows your body to move when your muscles contract. |
| Gliding Joint | allow bones in the hand and wrist to glide over one another and give some flexibility to the area |
| Ball-and-Socket Joint | lets your arm or hip move freely in all directions |
| Hinge Joint | enables you to flex and extend your muscle |
| Ligaments | strong elastic bands of connective tissue that connect bones in a joint. |
| Cartilage | covers the ends of many bones and helps cushion the area in a joint where bones meet |
| Fracture | when bones are broken |
| Dislocated Joint | a joint in which one or more bones have been moved out of place |
| Sprain | a ligament is stretched too far or torn |
| Osteoporosis | a disease that causes bones to become less dense |
| Arthritis | joints may swell or stiffen |
Created by:
needtostudystack
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