Page 5 - 8.3 PARTS OF HUMAN SKELETON
P. 5
the
the
pr
the
Ribca
• •Ribcage protects the
ge
otects
the
the
nal
nal
gans
gans
of
or
of
or
internal organs of the
inter nal or gans of the
inter
inter
and
body like heart and lungs.
and
body lik e hear t and lungs .
ribs
• •Two ribs are free as they
as
e
o
ee
T
they
ar
as
as
r
w
they
they
f
y
to
are only attached to the
y
ar
to
e
e
ar e onl y a ttac hed to the
hed
the
the
hed
a
a
ar
ttac
onl
onl
ttac
kbone
the
to
kbone
the
not
not
bac kbone and not to the
bac
and
and
to
bac
backbone and not to the
and
and
breastbone and are
br
br eas tbone and ar e
eas
eas
br
e
ar
ar
tbone
tbone
e
.
.
called f loa ting ribs .
called floating ribs.
tain
tain
tain
cer
cer
cer
ribs
ribs
ribs
allo
T
T
• •The ribs allow certain
T
he
he
he
allo
w
w
allo
w
ement
of
of
of
of
the
kind of movement of the
kind of mo v ement of the
the
kind
kind
mo
mo
v
v
ement
thing.
thing.
chest during breathing.
br
c c c
ea
br
ea
thing.
t
hes
hes
t
during
during
t
br
ea
hes
during

