VERTEBRATES
NUTRIENTS
HEMOLYMPH
MOLLUSKS
SEAWATER
ARTERIES
VESSELS
FLUIDS
PUMPS
BLOOD
HEART
I
M
H
T
P
O
C
O
P
U
M
P
S
M
I
W
T
A
H
E
M
O
L
Y
M
P
H
R
F
U
H
A
D
Q
D
S
F
M
X
K
N
A
O
K
L
J
B
I
O
T
K
S
A
R
T
E
R
I
E
S
U
C
I
I
U
K
A
L
N
C
E
J
U
S
U
F
I
A
G
O
E
C
U
E
U
V
X
Z
O
E
D
U
D
D
N
C
R
Y
A
S
T
F
I
O
M
T
N
I
S
D
A
P
Z
A
F
S
R
E
U
O
I
A
S
S
E
B
V
F
P
E
K
E
I
W
F
F
Y
R
C
K
A
Y
I
K
E
U
T
V
E
H
I
Q
Z
B
D
S
W
I
Q
C
Q
O
O
E
N
K
B
E
U
E
O
U
A
Z
U
A
S
U
E
W
T
C
E
N
L
T
O
L
T
H
O
W
Q
N
Q
Q
S
S
T
E
A
R
L
L
E
E
E
L
U
C
P
O
A
K
J
H
U
E
B
O
R
A
A
E
L
U
F
K
A
S
S
A
S
V
B
M
G
R
T
O
H
L
W
A
Z
A
F
A
S
E
O
H
N
T
B
K
