skeletal system Flashcards
what are the six main functions of the skeleton
•support/shape
•structure
•protection
•movement
•red blood cell production
•mineral storage
what are the three bone types
•short
•long
•flat
what are the bones in the arms
•ulna
•radius
•humerus
what are the bones in the leg
•femur
•fibula
•tibia
•patella (sesamoid bone)
•talus
what are the bones in the rest of the body
•pelvis
•sternum (breastbone)
•ribs
•scapula
•vertebrae
•cranium
what are the eight kinds of joint movement
•flexion
•extension
•adduction
•abduction
•rotation
•circumduction
•plantar flexion
•dorsi-flexion
what are the connective tissues
•ligaments (bone to bone)
•tendons (muscle to bone)
what are the features of a synovial joint and their functions
•cartilage - act as a cushion between bones to soften impact and prevent injury
•joint capsule - encloses and supports it
•synovial membrane - releases synovial fluid
•synovial fluid - lubricates the joint to reduce injury and bones rubbing together
•bursae - sacs of fluid which reduce friction between bones