Biological and Physical Sciences SKELETAL SYSTEM

Objective Recognize the function, classification, major bones, and joints of the skeletal system in relation to Public Health.

OVERVIEW Primary Functions Classification of bones Major bones Joints

Primary Functions SupportProtectAssist Storage site Blood cell production Bone growth

Classification of Bones

Parts of the Bone Cancellous Bone Compact Bone EndosteumPeriosteum Medullary Cavity

Major Bones Axial Skeleton Appendicular Skeleton

Axial Skeleton Skull - Protects brain, eyes, etc Hyoid bone - Primary support for tongue and muscles Vertebrae – 5 Areas

Axial Skeleton - Vertebrae Cervical (7) Thoracic (12) Lumbar (5) Sacrum (1) Coccyx (1)

Ribs (12 pairs) Sternum Axial Skeleton

Appendicular Skeleton Shoulder girdle Scapula - shoulder blade Clavicle - collar bone Upper Limbs Arm – Humerus Forearm - Radius & Ulna Hand Carpals, Metacarpals, Phalanges

Appendicular Skeleton PelvisIlliumIschiumPubis

Bones of the Lower Extremities Femur (Thigh) Patella – forms a joint Leg - Tibia & Fibula Foot Tarsals – Ankle Metatarsals - Sole Phalanges - Toes

Joints Formed where a bone joins bone Hold bones together and give mobility Three types: Fibrous - immovable joints Cartilaginous - slightly movable Synovial joints - freely movable

Objective Recognize the function, classification, major bones, and joints of the skeletal system in relation to Public Health.

Summary Primary Functions Classification of bones Major bones Joints

Questions??