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Chap 42 and 44 (Circulation (Blood Pressure (systole (contraction),…
Chap 42 and 44
Circulation
Open
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hydras, jellies, cnardians, grasshoppers
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closed
double
amphibians, reptiles, mammals
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Osmoregulation
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uric acid
from insects, reptiles and birds
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Land Animals
osmoregulator
exoskeleton, shells, skin
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