________ Are a Part of the Body's Immune System That

question 8

Multiple Choice

________ are a part of the body's immune system that patrols the body for diseased cells like virus-infected and cancer cells.

• A) Macrophages
• B) Phagocytes
• C) Histamines
• D) Natural Killer (NK)cells

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Definitions:

Cross Elasticity

A measure of how the demand for one good responds to a change in the price of another good.

Normal Good

A good for which demand increases as the income of consumers increases, and falls when consumer income decreases.

Quantity Demanded

The total amount of a good or service that consumers are willing and able to purchase at a given price in a specified time period.

Income Elasticity

A measure that quantifies the responsiveness of the demand for a good or service to a change in income of the people demanding the good.