NOSTRILS
NOSE
MOUTH
PHARYNX
LARYNX
TRACHEA
BRONCHI
BRONCHIOLES
ALVEOLI
DIAPHRAGM
RIBCAGE
D
I
A
P
H
R
A
G
M
B
S
N
A
T
R
A
C
H
E
A
E
P
O
Y
I
N
Y
I
E
I
L
S
H
S
A
W
X
O
G
U
O
V
C
A
E
L
O
B
A
S
I
I
E
M
R
U
C
D
C
R
H
T
C
O
E
Y
O
U
B
D
C
O
M
R
L
A
N
R
I
M
N
V
Q
N
O
I
O
X
R
R
O
E
T
A
F
C
U
L
E
B
R
D
S
N
A
A
M
H
T
S
B
L
I
L
A
R
Y
N
X
I
H
