Support- framework that supports body and cradles its soft organs Protection- for delicate organs,...

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Transcript of Support- framework that supports body and cradles its soft organs Protection- for delicate organs,...

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  • Support- framework that supports body and cradles its soft organs Protection- for delicate organs, heart, lungs, brain Movement- bones act as levers for muscles Mineral storage- calcium & phosphate Blood cell formation- hematopoiesis
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  • Long Bones- metacarples, metatarsals, phelangies, humerus, ulna, radius, tibia, fibula Short Bones- carpals, tarsals Flat Bones- rib, scapula, skull, sternum Irregular Bones- vertebrae, some facial bones Sesamoid- patella
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  • Location Vocabulary b b Superior - toward the head b b Inferior - away from the head b b Anterior - the front of the body or body part b b Posterior - the back of the body or body part b b Medial - toward the midline that divides left and right b b Lateral - to the side away from the midline b b Proximal - closer to the torso b b Distal - farther away from the torso
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  • Cervical Vertebrae (7) Thoracic Vertebrae (12) Lumbar Vertberae (5) Cervical Vertebrae (7) Thoracic Vertebrae (12) Lumbar Vertberae (5) The Vertebral Column
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  • Sternum True Ribs (7) False Ribs (3) Floating Ribs (2) Sternum True Ribs (7) False Ribs (3) Floating Ribs (2) The Thoracic Cage
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  • Bones of the Pectoral Girdle
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  • Humerus Ulna Radius Carpals Metacarpals Phalanges Humerus Ulna Radius Carpals Metacarpals Phalanges The Upper Limb (Forelimb)
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  • Femur Patella Tibia Fibula Tarsals Metatarsals Phalanges Femur Patella Tibia Fibula Tarsals Metatarsals Phalanges The Lower Limb (Legs) Pelvic Girdle
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  • metatarsals phelangies tarsals metatarsals phelangies tarsals
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  • Diseases of the Skeletal System: Osteoporosis- bones become lighter and fracture easier Factors: age, gender (more in women) estrogen and testosterone decrease insufficient exercise (or too much) diet poor in Ca ++ and protein abnormal vitamin D receptors smoking
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  • Osteoporosis 29 40 84 92
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  • Rickets- vitamin D deficiency Osteomalacia- soft bones, inadequate mineralization in bones, lack of vitamin D Pagets Disease- spotty weakening in the bones, excessive and abnormal bone remodeling Rheumatoid arthritis- inflammation of the joints and surrounding tissues Diseases of the Skeletal System:
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  • Model Skeleton - Cut out pieces and glue together - May need to trace and cut out limbs duplicated (Legs, Arms, Hands, Feet) - Label all the parts from your notes - Personalize: Give him/her name, accessories