3-Chapter_6

3-Chapter_6 - Chapter 6 The Skeletal System Bone Tissue...

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Chapter 6 The Skeletal System: Bone Tissue Pages 172; 183 – 190 Functions of Bone & Skeletal System Fig. 6.3 (page 4) Compact bone 80% -- made up of cylinders called osseous and Spongy bone 20%- can handle press put upon it are the two that make up the bones Bones contain 25% Water, 25% collagen fibers and 50% crystallized mineral salt CPo4 and osteocytes Bones & Homeostasis:-- bones made up of several different tissues working together: bone or osseous tissue, cartilage, dense connective tissues, epithelium, adipose tissue and nervous tissue; bone tissue makes up about185r of the weight of the human body; provides 1. Support- serves as the structural framework for the body by supporting soft tissues and providing attachment points or framework for the tendons of most skeletal muscles 2. Protection – protects the most important internal organs from injury; such as brain, spinal cord; etc 3. Assistance in movement- most skeletal muscles attach to bones; when they contract, they pull on bones to produce movement 4. Mineral homeostasis—stores several minerals and growth factors (IGF) like
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3-Chapter_6 - Chapter 6 The Skeletal System Bone Tissue...

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