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

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

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 3

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 4

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 5

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

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 7

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

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

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

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 11

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13. Short Bones Generally cubed-shaped mostly spongy bone Bones of wrist and ankles 13

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15. Flat Bones Thin, flattened, usually curved Two thin layers of compact sandwiching a layer of spongy Bones of skull, ribs, and sternum 15

16. http://www.dkimages.com/discover/previews/740/54485.JPG 16

17. 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 17