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Delve into the intricate structure of bones - compact, spongy, marrow, periosteum - and understand the vital functions of joints, like ligaments, in our skeletal system. Learn about different types of bones, their roles, and joints that enable movement and support. Discover the importance of cartilage and elastic connective tissue in maintaining bone health.
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FLAT- shoulder IRREGULAR- ear SHORT- wrist LONG- arms TYPES OF BONES
Long> Short> <Flat <Irreg.
SPONGYBONE- lightweight with holes for vessels. PERIOSTEUM- thin protection, saran wrap. COMPACT BONE- hard outer surface. MARROW- soft middle, red:makes blood cells. MAKEUP of BONE
COMPACT BONE SPONGY BONE MARROW PERIOSTEUM MAKE-UP OF BONE
Skull Spine Ribs AXIAL
PELVIS SHOULDER APPENDAGES ARMS LEGS APPENDICULAR
CARTILAGE • Flexible connective tissue • Cushions between bones • Shock absorber
ELASTIC CONNECTIVE TISSUE CONNECTS BONE TO BONE LIGAMENT
FUNCTIONS • STRUCTURE / FRAMEWORK • PROTECTION • MAKE BLOOD CELLS • ATTACHMENT OF MUSCLE • STORAGE OF MINERALS
JOINTS • Area where two or more bones come together. • Connected by LIGAMENTS
HINGE JOINT • KNEE & ELBOW //ie: DOOR • One Direction: Forward & Back
BALL & SOCKET JOINT • SHOULDER & HIP // ie: joystick • Rotating, greatest range of motion
PIVOT JOINT • TOP TWO VERTEBRAE
SADDLE T H U M B
GLIDING JOINT • VERTEBRAE • HAND • ROTATE OVER
G L I D I N G