CHAPTER 8 Skeleton - CHAPTER 8 CHAPTER SKELETAL SYSTEM...

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CHAPTER 8 CHAPTER 8 SKELETAL SYSTEM SKELETAL SYSTEM
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SKELETAL SYSTEM SKELETAL SYSTEM The skeletal system supports the weight of the body supports and protects body organs enables the body to move acts as storage site for minerals (especially calcium and phosphorus) produces blood cells
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I. Bones: An Overview A. Sizes and Shapes Long Upper and lower limbs Short Carpals and tarsals Flat Ribs, sternum, skull, scapulae Irregular Vertebrae, facial
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I. Bones: An Overview 2.Bone markings indicate sites of muscle attachments and passages for nerves and blood vessels.
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Anatomy of a Long Bone 1. A long bone has: diaphysis long shaft surrounded by the periosteum epiphyses two ends Articular cartilage found on the outer surface of the epiphyses
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Anatomy of a Long Bone Anatomy of a Long Bone 4. The diaphysis composed of compact or hard bone cavity contains yellow marrow epiphysis consists of spongy or soft bone red marrow is found in the pores of spongy bone.
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B. Bone Formation and Growth B. Bone Formation and Growth 1. Bones form, or ossify, in two ways. 1) In the skull, osteoblasts replace thin connective tissue membrane, forming flat bones.
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B. Bone Formation and Growth B. Bone Formation and Growth 2) Other bones form on hyaline cartilage models as osteoblasts replace cartilage with bone.
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B. Bone Formation and Growth B. Bone Formation and Growth 2) Other bones form on hyaline cartilage models as osteoblasts replace cartilage with bone.
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B. Bone Formation and Growth B. Bone Formation and Growth 2) Other bones form on hyaline cartilage models as osteoblasts replace cartilage with bone.
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B. Bone Formation and Growth
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CHAPTER 8 Skeleton - CHAPTER 8 CHAPTER SKELETAL SYSTEM...

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