The Anatomical Part of the Lungs Where Oxygen and Carbon

question 508

Multiple Choice

The anatomical part of the lungs where oxygen and carbon dioxide are exchanged is the:

• A)trachea.
• B)alveoli.
• C)bronchioles.
• D)bronchi.

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Definitions:

Experimental Study

A research method where the investigator manipulates one or more variables to determine their effect on a dependent variable, often involving control groups.

Observational

Pertaining to data or a study method where the researcher observes subjects without manipulating any variables.

Nominal Scale

Refers to a classification system in statistics where data can be divided into non-numeric categories that are labeled or named; there is no intrinsic ordering to the categories.

Mikhail Gorbachev

The last leader of the Soviet Union, known for implementing reforms that contributed to the end of the Cold War.