Summary

Concept 36.1: Kidneys Regulate the Composition of the Body Fluids

Concept 36.2: Nitrogenous Wastes Need to Be Excreted

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Concept 36.3: Aquatic Animals Display a Wide Diversity of Relationships to Their Environment

Concept 36.4: Dehydration is the Principal Challenge for Terrestrial Animals

Concept 36.5: Kidneys Adjust Water Excretion to Help Animals Maintain Homeostasis

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