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

• Cartilage – strong and

flexible tissue that provides cushioning at joints

Ligaments

• 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)