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Système Squelettique
Skeletal System
| Question | Answer |
|---|---|
| Skeleton Functions | body support, allow movement, protect internal organs. |
| Skull | bone, protects the brain. |
| Collar bone | bone, attaches onto shoulder blade. |
| Shoulder Blade | bone, attached onto arm. |
| Ribs | bones, protect lungs and heart. |
| Vertebrae | bones, protect spinal cord. |
| Humerus | upper part of arm. |
| Radius/Ulna | lower part of arm. |
| Pelvis | the place the spine is attached. |
| Femur | upper part of leg. |
| Tibia/Fibula | lower part of leg. |
| Joints | allow you to move your body. |
| Hinge Joints | allows movement, one direction only e.g. elbows and knees. |
| Ball and Socket Joints | allows movement, more than one direction e.g. shoulder and ankle. |
| Muscles | helps movement, along with joints. |
| Tendons | connect muscle to bone. |
| Ligaments | connect bone to bone. |
| Antagonistic Pairs | pairs of muscles, carry out opposite functions e.g. biceps and triceps. |
| Fixed Joints | joints that can't move e.g. the skull. |
| Synovial Fluid | lets joints move more freely. |
| Cartilage | stops friction in joints. |