Describe the Basic Features of the Circular Flow Model

question 36

Essay

Describe the basic features of the circular flow model.

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Definitions:

Hemolymph

The fluid equivalent to blood found in most invertebrates, which occupies the interior cavity of the body and directly bathes the internal organs.

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.