skeletal system Flashcards

1
Q

what are the six main functions of the skeleton

A

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

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2
Q

what are the three bone types

A

•short
•long
•flat

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3
Q

what are the bones in the arms

A

•ulna
•radius
•humerus

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4
Q

what are the bones in the leg

A

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

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5
Q

what are the bones in the rest of the body

A

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

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6
Q

what are the eight kinds of joint movement

A

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

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7
Q

what are the connective tissues

A

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

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8
Q

what are the features of a synovial joint and their functions

A

•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

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