The Skeletal System

Human Skeleton Purpose of bones: Determines _________ of your body ___________ internal organs ___________ attachment Produces ________ cells Humans have _____ bones

Types of Bones 1._____ bones 2._______ bones 3.______ bones 4.___________ bones 5.___________ bones

Types of Joints Firbous joints ______________ movement Ex: sutures of skull Cartilaginous Joints Little movement, attached by ___________ Ex: ribs, spine Synovial Joints Freely ___________ ___ types of movement

Endoskeleton “_________ the body” Made of: _______ skeleton –Backbone –Skull –Ribs –Sternum _______________ skeleton –everything else

Axial Skeleton Protects the ________ cord and vital _______

Vertebral Column 33 bones 7 ________ 12 _________ 5 ________ 5 _______ (fused) 4 _______ (fused) aka “tailbone”

Ribs and Sternum Ribs 1-7: _____ Ribs attach to sternum Ribs 8-10: ______ Ribs attach to cartilage of rib 7 Ribs 11-12: ________ Ribs have no front attachment

The Skull Protects your ______ and spinal cord Made of: –8 _________ bones –14 ________ bones

Appendicular Skeleton ______ bones

6 Sections of Appendicular Skeleton 1.___________ 2._____ 3.______ 4._______ 5._____ 6._____

The Muscular SYstem

Types of Muscles __________ Muscle attached to bones voluntary movement ___________ Muscle form the walls of the heart involuntary movement ___________ Muscle walls of hollow structures (veins, bladder, stomach, etc.) involuntary movement