The Skeletal System Flashcards
how does the skeletal system support the body?
bones form the body’s framework
What are the five functions of the skeletal system?
support protection movement storage homopoesis
how does the skeletal system protect the body?
it defends the structures within them
how does the skeletal system move the body?
muscles are anchored firmly to the bones
how does the skeletal system store things in the body?
it maintains homeostasis of the blood calcium
how does the skeletal system help homeopoiesis?
they process bloood
What are the four types of bone
long
short
flat
irregular
whats an example of the long bone?
humerous
whats an example of a short bone
carpals; tarsals
whats an example of the flat bones
frontal bone;
whats an example of an irregular bone
spine
S.A.
How do the osteocytes, lacunae and canliculi all work together to get nutrients to the bones?
osteocytecs travel through central canals into lacunae within lacunae there are passageways ; canaliculi, (they connnect everything) THey connect one canal to another for your bones to use another day
what are the bones of the thorax?
true ribs
false ribs
sternum
how many true ribs are there
14; 7 sets
how many false ribs are there
10; five pairs
what are ribs attached to
they are attached by cartilage tot he sternum
what do we all the bottom 2 pairs of ribs? Why?
floating ribs they have no anterior cartilage
what are at least two difference between the male and femal pelvis?
the pelvic inlet and pelvic outlet are both normally wider in female and male, A man’s pelvis is shaped something like a funnel, but a woman’s pelvis has a broader shallow shape like a basin
why do the male and female pelvis differ?
the female’s pelvis is made so that the body of a baby can pass through
what are the three types of joints?
synarthosis; amphiarthroses, diathrosis
what kind of movement does synarthroses have
none
what kind of movement does amphirathroses have
slight
what kind of movement does diathrosis have
free
what are the 6 types of diarthroses
ball and socket hinge pivot saddle gliding condyloid
what is an example of a ball and socket joint
shoulder
what is an example of a hinge joint
elbow; knee
what is an example of the pivot joint
neck
what is an example of the saddle joint
thumb
what is an example of a gliding joint
wrist; ankles
what is an example of a condyloid joint
wrist
