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Define Mental Retardation

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Essay

Define mental retardation. Identify the various levels of retardation and the criteria necessary to be diagnosed at each of those levels. What are the possible causes of retardation and what is the effectiveness of its treatment?


Definitions:

Goblet Cells

Unicellular glands that secrete mucus

Circulatory System

The body system consisting of the heart, blood vessels, and blood, responsible for transporting nutrients, oxygen, and wastes among cells and the external environment.

Connective Tissue

Tissue that supports, binds together, and protects tissues and organs of the body, characterized by few cells and a large amount of extracellular matrix.

Lymph

The colorless fluid within the lymphatic vessels that is derived from blood plasma; contains white blood cells; ultimately lymph is returned to the blood.

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