Chapter 7 Part 1

Chapter 7 Part 1 - What are the functions of the skeletal...

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What are the functions of the skeletal system? 10/8 At last 15 minutes of Lecture: 20 pt quiz over CH 5 and 6 up to the end of Friday’s notes. Bring a scantron. What does bone do in our bodies? What are the classes of bone? Where is blood produced? What structural arrangements occur inside bone? What are the structural arrangements of “flat” bone? What are the structural arrangements of “long” bone? Osteoblast vs. Osteoclast activity: How is this a struggle for strength and density vs light weight and weakness? What are three ways to create bone within a human?
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Why do we need bones? Bones provide the following : Support- Protection- pH/Electolyte Balance- Hemopoeisis- Detoxification- Bones are formed via : Intramembranous Ossification- Endochondral Ossification- Bone consist of : -Collagen as a structural frame work Problem: weak bone and osteogenesis imperfecta -Hydroxyapatite: Calcium phosphate + Calcium carbonate Problem: vitamin D deficiency, ricketts and soft bones
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Bones differ with respect to shape and length! There are four classes based on shape/length:
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Two Types of Bone and Marrow: Both reduce body weight and muscle work! Flat and “Spongy” Bones:
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This note was uploaded on 04/17/2008 for the course BIOL 211 taught by Professor Wilson during the Fall '07 term at Winona.

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Chapter 7 Part 1 - What are the functions of the skeletal...

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