Question

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Answer 1

Answer:

a tubule open to the exterior which acts as an organ of excretion or osmoregulation. It typically has ciliated or flagellated cells and absorptive walls.

Answer 2

Nephridia: a tubule open to the exterior which acts as an organ of excretion or osmoregulation. It typically has ciliated or flagellated cells and absorptive walls. Nephridia remove metabolic wastes from an animal's body. They are present in many different invertebrate lines. There are two basic types, metanephridia and protonephridia, but there are other types. A metanephridium is a type of excretory gland found in many types of invertebrates such as annelids, arthropods and Mollusca.

Explanation:

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