skeletal system

Question 1

what are the six main functions of the skeleton

Answer 1

•support/shape
•structure
•protection
•movement
•red blood cell production
•mineral storage

Question 2

what are the three bone types

Answer 2

•short
•long
•flat

Question 3

what are the bones in the arms

Answer 3

•ulna
•radius
•humerus

Question 4

what are the bones in the leg

Answer 4

•femur
•fibula
•tibia
•patella (sesamoid bone)
•talus

Question 5

what are the bones in the rest of the body

Answer 5

•pelvis
•sternum (breastbone)
•ribs
•scapula
•vertebrae
•cranium

Question 6

what are the eight kinds of joint movement

Answer 6

•flexion
•extension
•adduction
•abduction
•rotation
•circumduction
•plantar flexion
•dorsi-flexion

Question 7

what are the connective tissues

Answer 7

•ligaments (bone to bone)
•tendons (muscle to bone)

Question 8

what are the features of a synovial joint and their functions

Answer 8

•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