The Osmoregulatory/excretory System of a Freshwater Flatworm Is Based on the Operation

question 19

Multiple Choice

The osmoregulatory/excretory system of a freshwater flatworm is based on the operation of

• A) protonephridia.
• B) gills.
• C) Malpighian tubules.
• D) nephrons.
• E) kidneys.

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Definitions:

Absorbed

The process by which substances are taken into cells or across tissues, such as liquids absorbed by the skin or nutrients by the body.

Manufacturer

A person or company that makes goods for sale, especially on a large scale and involving complex machinery and processes.

Analgesic

A class of drugs designed to relieve pain without causing loss of consciousness, often referred to as painkillers.

Antacids

Medications that neutralize stomach acid to relieve symptoms of heartburn and indigestion.