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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. |