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
Superior - toward the head Inferior - away from the head Anterior - the front of the body or
body part Posterior - the back of the body or
body part Medial - toward the midline that
divides left and right Lateral - to the side away from the
midline Proximal - closer to the torso 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 ColumnThe 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 CageThe Thoracic Cage
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Bones of the Pectoral GirdleBones of the Pectoral Girdle
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HumerusUlna
RadiusCarpals
MetacarpalsPhalanges
HumerusUlna
RadiusCarpals
MetacarpalsPhalanges
The Upper Limb (Forelimb)
The Upper Limb (Forelimb)
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FemurPatellaTibia
FibulaTarsals
MetatarsalsPhalanges
FemurPatellaTibia
FibulaTarsals
MetatarsalsPhalanges
The Lower Limb (Legs)
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
2929 4040 8484 9292
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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