Chapter 7 Flashcards
Discuss the functions of bones (8)
support protection bodys framework, supports body weight movement attachment sites for muscles, organs and soft tissues blood production store salts form blood vessels + nerve passageways
What are axial and appendicular skeletons
Axial skeleton is the skull, spine and rib cage
appendicular is everything else
Name the 6 classifications of bones
flat irregular short long sutural seasamoid
Describe flat bones
resemble plates,broad surfaces
provide protection
may be thin or slightly curved
skull, ribs, sternum, scapula
Describe irregular bones
different + complex shapes
often connected to other bones
facial bones, vertbrae, pelvis
Describe short bones
small + often cube shaped
carpal and tarsal bones
Describe long bones
long bone shafts with expanded ends
longer than they are wide
femur,tibia,fibula,humerous,ulnar,radius,metacarpals & metatarsals
Describe sutural bones
small,flat and irregular bones between the flat bones of the skull
range in size from a coin to a grain of sand
Describe seasamoid bones
small, flat bones that resemble seasame seeds
most often located near joints of hands and knees and feet
example- patella
Identify major features of the thoracic cage and the upper limbs
12 pairs of ribs
sternum
costal cartilages attach to the ribs
supports pectoral girdle