Page 7 - 8.2 HUMAN SKELETON AND ITS PARTS ( SKULL AND BACKBONE)

KB
KB
ONE
KB

C
C
C
B B B
ONE
ONE
BACKBONE :
A
:
:
:
A
A
e
k
t
e
t
h
h
h
k
k
e

s
s

s
d
d
d

t
l
l

l

l
l

a

i

i
s
s
i
s
u
a
u
u
a
c
c
a
c
a
t
l
a
t
t
t
t
t
h
h
t
h
h
h

t
t

e

• •The skull is attached to the

e
e
h
T
T
T
o
e
e
o
e
o
k
k
c
k
i
w
i
w
i
w
h
n
n
h
o
a
a
n
o
c
c
h
a
o
o

w

s
s
s
b b b
backbone which is also known as
w

w

a
n
n
h
n
e
e
e

a
a

h
h

l
o
c
k
k
b
b
s
o
o
l
a

a
a

k

b
s
s
o
n
o
c
c

i
l
s
n
n
s
i
s
i
v
a
l
l
a
u
mn
mn
e
c
c
e
t
t
r
r
e
e
r
r
o
v
l
l
u
b
b
o

the spine or vertebral column.
t h e s p i n e o r v e r t e b r a l c o l u mn .
a
a
a
a

a

l
l
o
o

l

a

c

e
k
e
e
s
i
s
s
c
c
i
i
o
o
h
T
T
h

h
h
,
w
• •The backbone is a long hollow,

T
l
o
l

n
n

b
b
n
b
e
e

e
g

g
g
n
n
n
k
k
o
b
b
b
o
o
n
n
r
t
o
k
e
i
i
l
r

l

o
r

o
e
r
r
c
c

t

k
m
n
n
m
e
u
u
e

u
n
n
u
r
r r r o d l i k e s t r u c t u r e r u n n i n g f r o m
rod like structure running from
s
s
d
f
r
o
d
g
u
t
u
i
f
i
r
g
t
the neck to the hips.
t h e n e c k t o t h e h i p s .

k
k

k
o

e
e
3
o
o
d
e
e

d
d
n
p
p
n

s
3
c
n
e
c
p
e
c

f
a
a

a
u
f

u

f
u
ma
ma
• • Back bone is made up of 33
i
i

s
ma

s
i
B
B
B
b

b
b

o
o
o

n
n
c
n

o
o

c
n
p
e
o

p
o
c
e
l
e
e
e
e

p
a
s
a
e
a

l
r
small bones placed one over the
l
e
l
ma
l
e
r
r
e
e
v
h

e

s

d
d
h
b
h
d
t
v
t
v
t
o
o
e
o

ma
e
e
r
r
e
e
ma
ma
h
r

s
e

s

l
l
T

s
h
e
l
l
l

h
h
s
t
s
s

l
h
e
t
.
a
e
e
.
b
b
T
.
s
other. These small bones are
r
s

r

e
t
r

b
e
e
o

e

e
a
h
n
n
o
T
e
a
s
o
n
o o o
c a l l e d v e r t e b r a .
called vertebra.
e
e
I
e
t
h
e
h
h
d
• • It provides support to the body
r
o
d
d
o
o
o

t
o

d
u
i
s
y
y
y
p
v
p

b

s
t
t
t
t
o
o
r
t
t
p
b
b
o
c
c
a n d p r o t e c t s s p i n a l c o r d . I t h e l p s
and protects spinal cord. It helps

s
c

r
l
l
c
e
p
p
e
s
o
o
r
p
p
t
t
s
s

i
o
a
a
o
i
n
n
r
t
r
d
d
t
i
d
i
w
n
n
,
w
i

d

n
n

e
e

n
i
i
i

n
n
n
a
b
b
d
d
a
,
in walking, bending and in
a
a
i i i n w a l k i n g , b e n d i n g a n d i n
n
n

g
k
g
g
k
g
n

n
l
l
standing straight.
s t a n d i n g s t r a i g h t .
BACKBONE
B A C K B O N E