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The Skeletal System

The Skeletal System. Vocabulary . Skeletal System : A system made up of bones, joints, and connective tissue. Cartilage : Flexible tissue that provides cushioning at your joints. Joint : Points at which bones meet. Ligament : Strong cords of tissue that connect bone to bone at joints.

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The Skeletal System

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  1. The Skeletal System

  2. Vocabulary • Skeletal System: A system made up of bones, joints, and connective tissue. • Cartilage: Flexible tissue that provides cushioning at your joints. • Joint: Points at which bones meet. • Ligament: Strong cords of tissue that connect bone to bone at joints. • Tendon: Tough bands of tissue that attach muscle to bone.

  3. Jobs of Bones • Movement: Bones provide attachment points for muscles. The body moves when a muscle pulls on a bone. • Support: Your backbone is made up of 24 bones called…vertebrae. The backbone supports your upper body and head. • Protection: • Cranium: Protects your brain • Ribs and Sternum: Protect your lungs and heart • Pelvis: Protects and supports your internal organs • Spinal Column: Protects your spinal cord.

  4. Jobs of Bones • Blood Cell Formation: Red and white blood cells are formed by a tissue called marrow which is located in the center of your long bones. • Storage: Bones store minerals, such as calcium and phosphorus for later use by the body

  5. The Skeleton Skull / Cranium Clavicle Rib Cage Sternum Humerus Vertebrae Ulna Radius Ilium Coccyx Carpals Metacarpals Phalanges Femur Patella Tibia Fibula Tarsals Metatarsals Phalanges

  6. Spongy Bone Blood Vessels Marrow Periosteum

  7. The Joints • Hinge: Only move in one direction • Elbow • Knee • Gliding: Allow bones to slide over each other • Wrists • Ankles • Pivot: Allows for bone rotation • Tibia & Fibula • Radius & Ulna • Neck & Skull • Ball & Socket: Can move in all directions • Hip • Shoulder

  8. Problems

  9. Problems

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