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tricert10
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What are the functions of the skeletal system
Framework for body, protection of internal, allows for movement, storage for calcium, makes blood cells
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How many bones are in the skeletal system
206
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Which bones are in the axial skeleton
- Bones of the skull
- Spinal cord
- Sternum
- rRbs
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What bones are in the appendicular skeleton
Bones of the limbs and limb girdles that are attached to the appendicular skeleton
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Bones that are thin, flattened, and usually curved like the bones of the ribs sternum and skull are
Flat bones
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Bones that are typically longer than they are wide, they have a shaft with heads at both ends and make up all the bones of the limbs except wrists and ankles are
Long bones
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Generally cube-shaped bones that make up the bones of the hands and feet also kneecap are
Short
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Bones that do not fit in one of the types of bones including vertebrae, and some facial bones are
irregular bones
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What are the two types of bone tissue
- Spongy-meshwork of small bony plates filled with blood cells ends of long bones and in centers
- Compact- dense/hard and looks smooth forms the shaft of long bone and covering of other bones
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What are the three types of joints and there functions
- Fibrous/Synarthortic Joins- Immovable joint held together by fibrous connective tissue
- Cartilagenous/Amphiarthrotic- Slighty moveable joints held together by cartilage
- Synovial/Diarthrotic- Freely moveable joints which have a joint cavity with synovial fluid
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Fibrous connective tissue which attaches bone to bone
ligament
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Fibrous connective tissue which attaches muscle to bone
Tendon
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What are the movements of synovial joints
- Flexion
- Extension
- Abduction
- Adduction
- Supination
- Pronation
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Disorder of bone formation in which bones become porous and brittle due to lack of calcium and collagen
Osteoporosis
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Inflammation of the joints
Arthiritis
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Wear and tear arthritis
Osteoarthritis
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Swelling of the joints
Rheumatoid arthritis
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Crystal deposits around joints
Gouty Arthritis
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Exageration of the thoracic curve (upper back) commonly called hunchback
Kyphosis
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Abnormal curvature of the lumbar region (lower back) commonly called sway back
Lordosis
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Abnormal Lateral curvature of the spine
Scoliosis
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Fracture in which there is no break in the skin
Closed Fracture
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Fracture in which bone ends penetrate the skin
Open Fracture
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Bone breaks incompletely
Greenstick Fracture
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Broken ends of bones are forced into one another
Impacted Fracture
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Bone splinters and breaks into fragments
Comminuted
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Bone is broken by excessive twisting forces
Spiral Fracture
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Rupture or partial tearing of a ligament
Sprain
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Rupture or partial tearing of a tendon
Strain
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Sudden involuntary muscular contraction
Spasm
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