Which Part of the Respiratory System Exchanges Oxygen and Carbon

question 55

Multiple Choice

Which part of the respiratory system exchanges oxygen and carbon dioxide?

• A) pharynx
• B) bronchi
• C) alveoli
• D) trachea

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Definitions:

Variables

In research, variables are any characteristics, numbers, or quantities that can be measured or quantified.

Z-score

A statistical measurement that describes a value's relationship to the mean of a group of values, measured in terms of standard deviations from the mean.

T-score

is a type of standardized score that indicates how many standard deviations an individual's score is from the mean of a norm group.

Percentile

A percentile is a statistical measure indicating the value below which a given percentage of observations in a group of observations falls.