Functions of the Respiratory System Include

question 15

Multiple Choice

Functions of the respiratory system include

• A) protecting respiratory surfaces from dehydration and temperature changes.
• B) producing leukocytes needed to defend against invading pathogens.
• C) generating neurotransmitters essential to the neural control of respiration.
• D) providing erythrocytes, especially during times of increased oxygen demand.
• E) melanin synthesis and utilization to shield alveoli from environmental hazards.

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Definitions:

Linear

Pertaining to or resembling a line; in mathematics and statistics, a relationship is linear if it can be graphically represented as a straight line.

Statistically Significant

The likelihood that the difference in outcomes between groups is not due to chance, based on a predefined significance level.

Correlation Coefficient

A statistical measure that indicates the extent to which two variables fluctuate together.

Independent Variable

A variable in an experiment that is manipulated to determine its effect on the dependent variable.