17.
Name and define the two major subdivisions of the skeleton.
a.
skeleton--the
of the human
body--including the
,
column, and
.
b.
skeleton--skeletal elements of the upper and
.
18.
Name and describe the two major parts of a typical vertebra.
a.
Vertebral
--
-shape cylinder. Its function is to
.
b.
arch--arch over posterior of the
. The
arch has several
. The
are sites of attachment of
and act as
for trunk motions.
19. Name the regions of the vertebral column and give the number of vertebrae
in each region.
a.
(neck) region,
.
b.
(chest) region,
.
c.
(low back) region,
.
d.
, fusion of
.
e.
("tail"),
-
together.
20.
Describe the two ways that vertebrae are held together.
a.
Intervertebral discs:
b.
Ligaments:
MD0006
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