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SKELETAL/MUSCULAR SYSTEM FUNCTIONS OF THE SKELETAL SYSTEM -PROVIDES STRUCTURE AND SUPPORT -ALLOWS MOVEMENT CONTINUED • PROTECT ORGANS AND TISSUES • PRODUCES BLOOD CELLS • STORES CERTAIN MINERALS LIGAMENTS • HOLD BONE TO BONE TENDONS • HOLD MUSCLES TO BONE CARTILAGE • A HARD STIFF JELLYLIKE SUBSTANCE • 3 X MORE SLIPPERY THAN ICE CONTINUED • CUSHIONS BONES • PROVIDES A SLIPPERY SURFACE BONE MARROW • RED MARROW – PRODUCES BLOOD CELLS CONTINUED • YELLOW MARROW – CONTAINS FATS AND BLOOD VESSELS TYPES OF JOINTS • BALL AND SOCKET – HIP AND SHOULDER CONTINUED • • • • HINGE – ELBOW AND KNEE PIVOT – 1ST 2 VERTEBRAE SADDLE – BASE OF THUMB GLIDING – WRIST MUSCULAR SYSTEM • THREE TYPES OF MUSCLE TISSUE SKELETAL MUSCLE VOLUNTARY ATTACHED TO BONES ALLOWS MOVEMENT SMOOTH MUSCLE INVOLUNTARY FOUND IN DIGESTIVE SYSTEM AND RESPIRATORY SYSTEM CARDIAC MUSCLE INVOLUTARY FOUND ONLY IN THE HEART MUSCLES • MOVE ON A “ALL OR NONE” PRINCIPLE • ARE ARRANGED IN BUNDLES • WORK IN PAIRS FRACTURES 1ST BLOOD VESSELS FORM A CLOT 2ND SHARP ENDS ARE ABSORBED 3RD FIBERS GROW OUT TO HOLD THE ENDS DISLOCATION • WHEN A BONE IS FORCED OUT OF ITS SOCKET SPRAIN • LIGAMENTS AND OR TENDONS ARE TORN OR STRAINED ANY QUESTIONS?????? • THE END
