Examlex
What was the title of the chief executive in a communist country based on the Soviet model?
Open Circulatory System
A type of circulatory system in which the circulating fluid (hemolymph) is not entirely contained within blood vessels but bathes the internal organs directly in an open body cavity (hemocoel).
Arthropods
A large group of invertebrate animals characterized by their segmented bodies, exoskeleton, and jointed limbs, including insects, arachnids, and crustaceans.
Earthworms
Invertebrate organisms belonging to the phylum Annelida, known for their role in soil aeration and composting.
Hemocyanin
A copper-containing protein found in the blood of some invertebrates, like mollusks and arthropods, serving as an oxygen carrier.
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