Empfohlen
Weitere ähnliche Inhalte
Ähnlich wie Chapter 1_Human Anatomy and Physiology - The Skeletal System.pptx
Ähnlich wie Chapter 1_Human Anatomy and Physiology - The Skeletal System.pptx (20)
Kürzlich hochgeladen
Kürzlich hochgeladen (16)
Chapter 1_Human Anatomy and Physiology - The Skeletal System.pptx
- 2. Bones- Skeletal System Each Bone is a complex Living organ made up of many cells, protein fibres and minerals. Skeletal system- scaffolds and protects Skeletal system provides attachment points for muscles New blood cells produced by red bone marrow Framework for body to grow
- 3. Skeletal System 206 bones Maximum bone density at age 21yrs Skeletal system- Axial and Appendicular Axial skeleton – Vertebral column, rib cage, skull, other associated bones Appendicular skeleton – shoulder girdle, pelvic girdle, limb bones This Photo by Unknown Author is licensed under CC BY-SA This Photo by Unknown Author is licensed under CC BY-SA
- 4. Skull 22 bones fused together except mandible 21 bones unfused in children This Photo by Unknown Author is licensed under CC BY-SA
- 5. Neck Connects Head to shoulders and chest Has many muscles for support and structure-swallowing, speaking, yawning, moving head and neck This Photo by Unknown Author is licensed under CC BY-SA
- 6. Shoulder Shoulder joint- Humerus fits into scapula like ball and socket This Photo by Unknown Author is licensed under CC BY-SA
- 7. Thorax Part between neck and abdomen This Photo by Unknown Author is licensed under CC BY-NC-ND
- 8. Vertebrae • 33 Vetebrae • Cervical-neck-7 • Thoracic-chest-12 • Lumbar-lowerback-5 • Sacrum-5 vertebrae fused forming 1 • Coccyx-4 vertebrae fused forming 1 This Photo by Unknown Author is licensed under CC BY-SA
- 9. Ribs and Sternum Sternum – knife shaped bone located in midline of anterior side Sternum connects to ribs by thin cartilages called costal cartilage 12 pairs of ribs along with sternum form ribcage First seven ribs – true ribs This Photo by Unknown Author is licensed under CC BY-NC-ND
- 10. Limbs Anterior limb - Forelimb Posterior limb - Hindlimb
- 11. Major types of skeleton Exoskeleton Endoskeleton
- 12. Functions Framework-shape, work with muscles Support Movement Protection of vital organs Mineral storage- calcium and phosphorus Blood cell protection 2.6 million RBC per second Lever Action
- 14. Types of Joints Fixed Joint Slightly movable joint Freely movable joint This Photo by Unknown Author is licensed under CC BY-NC
- 15. Fixed
- 16. Slightly Movable
- 17. Movable
- 20. This Photo by Unknown Author is licensed under CC BY This Photo by Unknown Author is licensed under CC BY-SA-NC Hinge Joint Flexion Ext Elbow Knees
- 21. Pivot Joint Rotation-Int Ext Axial Atlas bone This Photo by Unknown Author is licensed under CC BY This Photo by Unknown Author is licensed under CC BY-SA-NC
- 22. This Photo by Unknown Author is licensed under CC BY-SA Ball and socket joint Flex Ext Abduc Adduc Circum Shoulder and hip
- 23. Saddle Joint Flex Ext Abduc Adduc Circum finger and thumb This Photo by Unknown Author is licensed under CC BY
- 24. Gliding joint This Photo by Unknown Author is licensed under CC BY-SA-NC
- 25. Condyloid Joint This Photo by Unknown Author is licensed under CC BY-SA-NC This Photo by Unknown Author is licensed under CC BY
- 26. Benefits of exercise Increases flexibility- synovial fluid Makes bones stronger- osteoblasts, calcium, bone density Strengthen joints – ligaments strong Good posture Healthy lifestyle This Photo by Unknown Author is licensed under CC BY-NC