The Typical Nervous System of a Polychaete Consists of

question 35

Multiple Choice

The typical nervous system of a polychaete consists of

• A)cerebral ganglia and a double ventral nerve cord with ganglia in each segment.
• B)a ladder-like pattern similar to that of a flatworm.
• C)a distributed nerve net without a central nervous system.
• D)a brain,a dorsal nerve cord,and major ganglia in the segments with the clitellum.
• E)major digestive ganglia that extend to all parts of the polychaete.

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Definitions:

GLP-1

Glucagon-like peptide-1, a hormone involved in the regulation of blood sugar levels and often targeted in the treatment of type 2 diabetes.

Metabolism

An organism’s chemical and physical breakdown of food and the process of converting it into energy. Also, an organism’s biochemical transformation of various substances, as when the liver breaks down alcohol into acetylaldehyde.

Appetite

The natural desire to satisfy a bodily need, especially for food.

Lateral Hypothalamus

A region of the brain involved in controlling hunger, thirst, and other physiological functions.