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Skeletal System Mrs. Hill
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Do Now – 12/20/16 What makes up the skeletal system? How many bones do we have in our bodies? Write in Complete Sentences!!!
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Skeletal System A system made up of bones (206),
joints (5 types), and connective tissue (3 types)
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Functions of Skeletal System
Movement- bones provide points of attachment for muscles
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Support- give the body shape and structure
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Protection- provide protection to organs
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Blood Cell Production- RBC’s and WBC’s are produced in bone marrow, found in long bones
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Storage- bones store minerals such as calcium and phosphorus
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Types of Bones Long Bone=Femur Short Bone=Carpals, Tarsals
Flat Bone=Ribs, Sternum Irregular Bone=vertebrae Sessamoid Bone=Patella
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Joints Ball and Socket- shoulder and hip allows most movement
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Hinge- knee and elbow
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Pivot- neck and head
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Saddle or Gliding- hand and wrists
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Immovable or Suture- skull
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Connective Tissue Ligament- connect bone to bone
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Tendon- connect muscle to bone
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Cartilage- cushion joints
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Skeletal System Problems
Fracture- a break in a bone
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Dislocation- bones are moved out of place
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Osteoporosis- a disease in which the density of the bones decreases
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Arthritis- a term used to refer to the many different types of joint inflammations
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Sprain- injury to the ligaments at a joint
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Strain- a muscle is over worked
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Write in Complete Sentences!!!
Do Now- 01/03/16 Name 3 functions of the skeletal system. Give examples of 2 types of bones. Write in Complete Sentences!!!
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