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1.Classify bones according to their shapes.1.Long, short, flat, irregular.2.Provide examples of each bone shape and a location where found in the body.1.Long – humerus, ulna, radius in arms2.Short – carpals in wrists3.Flat – cranial bones, scapulae, sternum and ribs4.Irregular – facial bones containing sinuses5.Sesamoid – Petellae, found in tendons associated with feet, hands and knees. 3.Identify the major types of bone markings, and provide a function for each type.1.Articulations – conform to one another to facilitate the function ofthe articulation2.Projections – attachment points for tendons and ligaments3.Holes – allows blood vessels and nerves to enter the bone4.Explain the functional significance of surface features.1.The surfaces of bones bear projections, depressions, ridges and various other features. 5.Identify the anatomical parts of a typical long bone, and describe its internal structures, providing functions for each structure.1.Diaphysis – shaft of the bone, not bend or break2.Epiphysis – contain red marrow3.Articular cartilage – shock absorption, less friction4.Periosteum – allows for attachment for tendons and ligaments5.Medullary cavity – houses red/yellow marrow6.What is hematopoiesis? Where does it occur within the skeletal system.1.The production of blood cells. Takes place in red marrow.7.Compare and contrast red marrow with yellow marrow, provide examples of where each would be found within the skeletal system.1.The head of the femur contains both yellow and red marrow.2.Yellow marrow stores fat3.Red marrow is responsible for hematopoiesis8.Identify the cell types in blood, and list their major functions1.Osteogenic – develop into osteoblasts2.Osteoblasts – bone formation3.Osteocytes – maintain mineral concentration of matrix4.Osteoclasts – bone resorption9.Compare and contrast compact bone with spongy bone.1.Most bones contain compact and spongy osseous tissue, but their distribution and concentration vary based on the bones overall function2.Compact bone is denser and stronger
3.Spongy bone contains osteocytes housed in lacunae. They are found in a lattice-like network of matrix spikes called trabeculae.