Professor Radon Is Studying the ________ System, Which Produces, Circulates

question 6

Multiple Choice

Professor Radon is studying the ________ system, which produces, circulates, and regulates levels of hormones in the body.

• A) adrenal
• B) circulatory
• C) respiratory
• D) endocrine

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Definitions:

Specialization

The practice of focusing on a specific area or activity to achieve greater efficiency and productivity.

Production Possibilities

A graphical representation of the alternative combinations of goods and services an economy can produce when all its resources are fully and efficiently utilized.

Specialize

To concentrate on and become expert in a particular subject or skill.

Trade

The exchange of goods, services, or both between two or more parties, either within a country or internationally.