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Overview of Bone Functions and Types in Human Anatomy and Physiology

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This overview covers the essential functions of bones in human anatomy, including support, protection, movement, storage, and blood cell formation. Bones provide an internal framework, protecting vital organs and facilitating movement through the action of skeletal muscles. The types of osseous tissue, including compact and spongy bone, are discussed, along with the classification of bones into long, short, flat, and irregular categories. This foundational knowledge is crucial for understanding skeletal system roles in overall physiology.

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Overview of Bone Functions and Types in Human Anatomy and Physiology

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  1. Bones: An Overview Essentials of Human Anatomy & Physiology Pages 116 - 118

  2. Functions of the Bones http://www.quantummetta.co.uk/graphics/260/skeleton.jpg

  3. Support • form internal framework that supports and anchors all soft organs • legs support trunk • rib cage supports thoracic wall http://www.ub.uit.no/baser/arkinord/data/media/378/kalvebakkbru01-med.jpg

  4. Protection • Skull protects brain • Vertebrae protects spinal cord • Rib cage protects vital organs of thorax http://www.biology-blog.com/images/blogs/10-2007/organic-armor-for-dogs.jpg

  5. Movement • Skeletal muscles use the bones as levers to move the body and its parts. http://www.inloughborough.com/cat/images/Martial%20Arts%20Clubs.jpg

  6. Storage • Stores fat in internal cavities. • Stores minerals such as calcium and phosphorus.

  7. Blood Cell Formation • Hematopoiesis occurs within the marrow cavities of certain bones. http://www.nlm.nih.gov/medlineplus/ency/images/ency/fullsize/8636.jpg

  8. Types of Osseous Tissue • Compact Bone • dense • Looks smooth • Homogeneous • Spongy Bone • Composed of small needlelike pieces and lots of open spaces

  9. Compact & Spongy http://media-2.web.britannica.com/eb-media/57/94557-004-CF63D396.jpg

  10. Classification of Bones http://www.diacritic.org/blog/archives/images/calf_bones_1.jpg

  11. Long Bones • Typically longer than they are wide • Have a shaft and heads at both ends • Bones of limbs (except wrist and ankles) • Mostly compact bones

  12. Short Bones • Generally cubed-shaped • mostly spongy bone • Bones of wrist and ankles

  13. Flat Bones • Thin, flattened, usually curved • Two thin layers of compact sandwiching a layer of spongy • Bones of skull, ribs, and sternum

  14. http://www.dkimages.com/discover/previews/740/54485.JPG

  15. Irregular Bones • Bones that do not fit any of the other categories • Vertebrae and hip bones http://www.arrowvale.worcs.sch.uk/ sportscollege/images/sport/body/irregular.gif http://www.shoppingtrolley.net/images/anatomy/pelvic-girdle.jpg

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