The Two Sectors of the Economy in the Simple Circular

question 346

Multiple Choice

The two sectors of the economy in the simple circular flow model are

• A) the employed and the unemployed.
• B) foreign markets and domestic markets.
• C) households and businesses.
• D) the private sector and the public sector.

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Definitions:

Macrophages

A type of white blood cell that engulfs and digests cellular debris, foreign substances, and pathogens.

Natural Killer Cells

A type of lymphocyte part of the innate immune system, responsible for the early defense against infected or cancerous cells by inducing apoptosis.

Antibodies

Proteins produced by the immune system in response to antigens, which are harmful substances, helping to neutralize or destroy them.

Innate Immunity

The body's first line of defense against infection that includes physical barriers, immune cells, and proteins, responding to pathogens in a generic way.