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8 Cards in this Set

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A membrane that surrounds the internal organs of the mollusk.
Mantle
Located within the mouth of a mollusk, is a tonguelike organ with rows of teeth. Is used to drill, scrape, grate, or cut food.
Radula
The blood moves through vessels and into open spaces around the body organs. This adaptation exposes body organs directly to blood that contains nutrients and oxygen and removes metabolic wastes.
Open circulatory system
Blood moves through the body enclosed entirely in a series of blood vessels. Provides an efficient means of gas exchange within the body.
Closed circulatory system
Organs that remove metabolic wastes from an animal's body.
Nephridia
Specialized parts of the mantle that consist of a system of filamentous projections that contain a rich supply of blood for the transport of gases.
Gills
colorful sea slugs
nudibranchs
three mollusk classes
gastropoda, bivalvia, and cephalopoda