Anatomy Chapter 6

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Chapter 6 1. Bones act as repositories for which minerals? Ans: pg. 172 – calcium and phosphorus 2. How do red and yellow bone marrow differ in composition and function? Ans: pg. 172 – red marrow is hemopoietic marrow; yellow marrow consists of adipocytes which store triglycerides 3. Which type of bone has a boxy shape? Which has an elongated shape? Ans: pg. 173 – a) short bone; b) long bone 4. Which type of bone provides a large, flat surface area for muscle attachment? Ans: pg. 173 – flat bone 5. Which type of bone is small and located in tendons? What is its purpose? Ans: pg. 173 – a) sesamoid bone; b) protect tendons from excessive wear and tear and changes the direction of pull on a tendon to improve the mechanical advantage at a joint 6. Where are the diaphysis, epiphyses, and metaphyses each located on a long bone? Ans: pg. 174 – a) shaft of the bone, b) end of the bone, c) between the shaft and end of the bone 7. Describe the location, composition, and function of the epiphyseal plate, articular cartilage, and periosteum. Ans: pg. 174 – epiphyseal plate: located in the metaphysis, composed of hyaline cartilage, is the growth plate; articular cartilage: covers the part of the epiphysis where the bone forms an articulation with another bone, composed of hyaline cartilage, reduces fiction and absorbs shock at freely movable joints; periosteum: surrounds the bone surface wherever it is not covered by articular cartilage, is a sheath of dense irregular connective tissue containing osteoblasts, functions to protect the bone, assists in fracture repair, nourishes bone tissue, and serve as an attachment point for ligaments and tendons 8. Why is osseous tissue considered a connective tissue? Ans: pg. 176 – it is derived from mesenchyme and consists of cells, fibers and a ground substance 9. What is the composition of the

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