Skeletal System

• The Skeletal System is made up of 206 bones.
• The Skeletal System holds the body as one and allows it to move
• We had 305 bones when we were a baby
• Axial Skeleton - protects the delicate organs in your body
• Appendicular skeleton provides support and aids the body in movements
• Cranium - the helmet-like structure to protect the brain
• Attached to the skull is the backbone or spinal column
• Vertebrae - irregularly shaped hollow bones of the spinal column
• Breastbone - long flat bone at the middle of the chest
• Ribs - attached to the breastbone and protect the heart and lungs.
• Collarbones are the bones that protrude at the base of the neck
• shoulder blades - triangular bones located at the back near the shoulders
• Collarbones and shoulder blades both stabilize the rib cage and they connect the shoulders to the arms
• Kneecap - located between the Femur and Tibia
• Hipbone - connects the backbones and the legs
• Fibula - the slimmer bone of the leg, connected to the Tibia
• Joint - formed when two bones connect
• Pivot Joints - located in the head and neck. Gives a limited movement, turning right to left.
• Saddle Joints - located at the thumbs
• Ball-and-socket joints - located at the shoulders
• Hinge joints - located at the ankles, knees, and elbows
• gliding joint - located at the wrists
• Cartilage - A tissue at the end of some bones. It absorbs shock and it helps the joints move
• Ligaments - a connective tissue at the back of your knee
• Synovial Fluid - oil-like fluid at the end of the bones that lubricates the joints
• Tendons - tissue that connects a muscle to the bone.
• Femur - The largest bone in the body located at the thighs
• Bones create blood