BRONCHIOLES
CAPILLARIES
DIOXIDE
PHARYNX
BRONCHI
TRACHEA
ALVEOLI
OXYGEN
LARYNX
LUNGS
NOSE
B
S
O
B
V
X
G
F
I
A
R
O
O
A
H
I
E
A
I
J
C
E
E
A
A
F
E
B
V
C
E
U
X
B
D
B
A
O
U
R
D
A
I
O
A
M
L
M
K
R
I
R
A
I
I
F
L
B
U
P
V
J
V
F
O
O
U
O
X
L
O
A
T
F
I
O
R
E
U
L
A
N
O
N
E
I
O
G
A
L
Q
T
N
V
E
A
I
C
V
C
V
V
I
A
L
J
R
L
T
J
D
R
L
H
X
H
V
X
I
A
A
A
U
X
H
R
A
Y
K
I
V
I
R
W
R
E
C
N
M
O
Z
W
T
N
V
O
A
O
E
I
D
H
G
Z
I
O
E
C
I
X
A
L
P
W
E
I
E
S
Q
A
S
O
X
Y
G
E
N
E
P
S
I
A
E
R
O
P
H
A
R
Y
N
X
A
S
X
D
J
E
N
O
B
S
V
F
U
V
O
N
J
J
W
V
F
U
W
H
Q
O
O
G
U
C
R
A
K
