skeletal system Flashcards
what is the function of the skeletal system ?
protection, movement, produces minerals, produces blood cell, framework/structure
what are the two types of skeletons ?
axial and appendicular
how many bones does an adult skeleton have ?
206
what is the job of axial bones and how many are there ?
80 which are for mainly protecting vital organs
what is the job of appendicular bones and how many are there ?
126 which mainly provide the ability to move
what are the different type of bones ?
long, short, flat, irregular and sesamoid
what are the long bones function ?
for movement
what are the long bones ?
femur, humerus, phalange and ulna
what are the function of short bones ?
for strength
what are the short bones ?
tarsals and carpals
what is the function of flat bones ?
protect vital organs
what are the flat bones ?
clavicle, sternum, ribs, cranium
what is the function of sesamoid bones ?
embedded in the tendon, helps assist the tendon in strength, movement while protecting it from excessive wear and tear
what are the sesamoid bones ?
patella
what is the function of the irregular bones ?
provide muscle attachment, protect rival organs and support, shape and size depends on the level of pressure taken
what is the end and bottom of a long bone called ?
epiphysis
what is the middle of a long bone called ?
diaphysis