1.1 skeletal and muscular system
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functions of the skeleton
• shape and support • muscle attachment for movement • protection • red blood cell production
how do bones provide shape and support
• forms frame • to which muscles can attach • and organs can sit
how do bones allow muscle attachment for movement
• muscles attached to skeleton • mvmt occurts when muscles contract • pull on bones • make them move about a joint
how do bones provide protection for vital organs
• internal organs are soft, delicate, easily damaged • protected by skeleton
how do bones produce blood
• centre of some large bones contains red bone marrow • creates rbc
cranium bone type
flat
clavicle bone type
long
scapula bone type
flat
humerus bone type
long
radius bone type
long
ulna bone type
long
carpals bone type
short
metacarpals bone type
long
phalanges bone type
long
ribs bone type
flat
pelvis bone type
flat
femur bone type
long
tibia bone type
long
fibula bone type
long
patella bone type
short
talus bone type
short
tarsals bone type
short
metatarsals bone type
long
function of long bones
• act as levers • to produce large range of movement