THE SKELETAL SYSTEM
Purpose of the Skeletal System Provides structure, support, and protection for the body Involved in movement Bones make new blood cells and store minerals
Skeletal system’s important parts Bones –An adult has 206 bones!
Skeletal system’s important parts #1 = Cranium
Skeletal system’s important parts #2 = Rib Cage
Skeletal system’s important parts #3 = Vertebrae
Skeletal system’s important parts #4 = Pelvis
Joints A joint is where two or more bones meet
Hinge joint (knee)
Ball and Socket joint (shoulder)
Connective Tissues (tissues that connect different things together)
Cartilage –strong and flexible tissue that provides cushioning at joints
Ligaments –Strong cords that connect bones at a joint
Problems with Skeletal System Fractures – broken bone
Problems with Skeletal System Dislocation – bone comes out of joint
Problems with Skeletal System Sprain – stretching of ligaments
Problems with Skeletal System Osteoporosis – Disease that makes bones weak, caused by lack of calcium, Vitamin D, and exercise
Keeping the system healthy THINK before taking a risk Wear seat belt Wear protective gear Get enough calcium (milk)