The Purpose of an Experiment Is to Discover Whether There

question 12

Multiple Choice

The purpose of an experiment is to discover whether there is a relationship between the ___________ and the ___________.

• A)independent variable; control variable
• B)dependent variable; control variable
• C)control group; experimental group
• D)independent variable; dependent variable

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Definitions:

Nasal Passages

The channels in the nose through which air enters the body and is warmed and humidified before reaching the lungs.

Olfaction

The sense of smell or the act of smelling.

Smelling

The ability to perceive odors or scents through the olfactory system.

Orthopnea

Difficulty breathing that occurs when lying down and is relieved by sitting up, often associated with heart failure.