Bones in the human skeleton Functions of the skeleton Bone marrow produces blood cells Protection – ribs(heart/lungs); vertebrae of backbone (nerves of spinal cord); pelvis ( some parts of reproductive and digestive systems); cranium/skull (brain/eyes/inner ear) Movement – muscles attached to bones by tendons Maintain the shape of the body Supports the body

Joints in the human skeleton Definition - a joint is where two bones meet. A joint can be a FIXED joint (between the skull plates) and the bones do not move Ball and socket joint ( hips and shoulder). Many planes of movement – allows great flexibility Hinge joint – allows movement in one plane only like a hinge on a door ( found in the elbow, knee, bones of the fingers and toes) Peg and socket joint – found between the bones of the vertebrae Sliding joints – bones of wrist

A synovial joint Functions of parts of a synovial joint * Cartilage – lines bones, stops bones rubbing together Synovial fluid – acts as a shock absorber, stops bones rubbing together Synovial membrane – produces the synovial fluid Ligament – attached to the bones, keeps the bones of the joint in place

RICE system for sporting injury R is for RAISE the limb I is for ICE to reduce the swelling C is for COMPRESS to reduce the swelling E is for ELEVATE the limb All the stages in the RICE system are designed to reduce the swelling to the injury.