1. Ch 36 Supplement Move that bag of bones

3. Give a Dog….. Spongy bone Compact bone Periosteum Bone marrow Haversian canal Compact bone Spongy bone Osteocyte Artery Vein Periosteum

5. Ball-and-Socket Joint Hinge Joint Pivot Joint Saddle Joint Clavicle Ball-and- socket joint Scapula Humerus Femur Patella Hinge joint Tibia Fibula Humerus Radius Pivot joint Ulna Metacarpals Carpals Saddle joint Figure 36-4 Freely Movable Joints and Their Movements

6. Muscle Tendon Femur Patella Bursa Ligament Synovial fluid Cartilage Fat Fibula Tibia Figure 36-5 Knee Joint

7. Actin pulled Cross-bridge releases actin Cross-bridge changes shape Myosin returns to original shape Myosin forms cross-bridge with actin 2 1 34 5 Cycle Diagram Section 36-2

9. Skeletal muscle Bundle of muscle fibers Actin Myosin Sarcomere Z disc Muscle fiber (cell) Myfibril Figure 36-7 Skeletal Muscle Structure

10. Relaxed Muscle Contracted Muscle Z discMyosinActinZ disc Sarcomore Cross-bridgesZ disc Movement of Actin Filament Actin Binding sites Cross- bridge Myosin Figure 36-8 Muscle Contraction

11. Relaxed Muscle Contracted Muscle Z discMyosinActinZ disc Sarcomore Cross-bridgesZ disc Movement of Actin Filament Actin Binding sites Cross- bridge Myosin Figure 36-8 Muscle Contraction

12. Relaxed Muscle Contracted Muscle Z discMyosinActinZ disc Sarcomore Cross-bridgesZ disc Movement of Actin Filament Actin Binding sites Cross- bridge Myosin Figure 36-8 Muscle Contraction

13. Relaxed Muscle Contracted Muscle Z discMyosinActinZ disc Sarcomore Cross-bridgesZ disc Movement of Actin Filament Actin Binding sites Cross- bridge Myosin Figure 36-8 Muscle Contraction Section 36-2

14. The sliding filament theory A great link….

15. Movement Biceps (relaxed) Triceps (relaxed) Biceps (contracted) Triceps (relaxed) Figure 36-11 Opposing Muscle Pairs

16. Skin Barrier to infection Regulator of body temperature Remover of waste products Protector against UV radiation Epidermis Dermis Outer layer Inner layer functions as a is made up of the which is the Concept Map

17. Hair follicle Sweat pore Nerves Hair Epidermis Dermis Subcutaneous layer Muscle Sweat gland Fat Sebaceous gland Figure 36-13 The Structure of Skin