Page 1 - mm5

P. 1

I
N

O
L

A
A
I
R
N
E
T
T
I
A
N
S
H
S
O
C
SAI INTERNATIONAL SCHOOLL
O
CLASS-IV

SCIENCE

T
B
D
CHAPTER-3-OUR TEETH AND MICROBESS
E
O
R
C
I

O
M
E
A
H
E
R

N
T
U
O
E
F
T

E
T
SUB TOPIC-SETS OF TEETHH

FUNCTION TYPES

s
n
f
i
g

g
e
a
p
t
g
d

a
o
n
o
d
g
n
a
i
n
Eating food, speaking and giving
v
E
i
,
k
i
a
r
f
c
o
y
u

t
p
a
e
s

o
h
shape to your facee

R
E
E
P

E
T
E
N
T
N
H
A
M
T
E
Y
M
E
T
T
E
R
A
R

P
TEMPORARY TEETHH PERMANENT TEETH
O
T

e
t
e
t

h
i
w
h

f
e
d
S
o
n
c
t

s
e
h
c
e
p
i

t
p
a

t
t
e
First set of teeth which appear Second set of teeth which

o
h

t
s
r
f
e
s
r
a
e
h
i
w

c
h

appear in place of temporary
e
u
e
a
b

h
a
m
n

i
s
n
in human beings are a p p e a r i n p l a c e o f t e m p o r a r y
g
n
r
i

s
i
r
h
u
m
a
n

n
e
t
g
i
h
t
n
a
e
b
e

temporary teeth. (Number of teeth in human beings are

(

r
o
N
b
m
.
e
u
f
t
h
e
t
.
e
teeth -20) called as permanent teeth.
(Number of teeth-32)

.
o
w
T
t
e

d
o
h
e
t
f
e
h

u
o
l
t
t
h
i

u
e

e
t
p
r

s
e
n

a
h
d
h
e

c
Teeth:Our teeth help us to bite and chew the food. Teeth also give shape

e
t
to our faceand help us to speak properly..
s

p
p
o
t
c
u

s
t
o

a
f
p
e
e
r
o
y

a
n
r
l
r
e
u
h
l
o
e
a
p

1 2