Skeletal System Flashcards by Sam M

Oseteocyte

Living bone cell

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Skeletal System

Bones joints body

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Joints

Two bones come together movement

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Facts

350 bones birth

206 bones adult body

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Skeletal functions

Attachment muscles 
Supports body 
Protection organs 
Production blood cells 
Blood cells produced bone marrow

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Fracture

Break bone

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Simple (closed)

Fracture under surface skin

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Compound (open)

Fracture penetrates surface the skin

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Cartilage

Cushioning bones

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Ligament

Attaches bone to bone provides stability

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Tendon

Attaches muscle to bone

Tendinitis= inflammation tendon

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Sprain

Twisting wrenching joint w/o dislocation

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First Aid RICE

R rest
I ice 20-30min.
C compression
E elevation

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Dislocation

Separation bones joint immobilize not treat yourself

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Ball and socket

Widest range of motion

Shoulder hips

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Hinge joint

One direction only

elbows knees

Pivot joint

Rotational head neck

Axial (center)

3 parts–
Skull
Vertebral column
Thorax (ribs and sternum)

Appendicular=extremities

4 parts --
Shoulders 
Hips 
Legs
Arms