Which of Following Structures Belongs to the Respiratory (As Opposed

question 12

Multiple Choice

Which of following structures belongs to the respiratory (as opposed to the conducting) portion of the respiratory system?

• A) alveolus
• B) primary bronchus
• C) secondary bronchus
• D) trachea
• E) terminal bronchiole

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Definitions:

Dactyl/o

refers to a word root indicating fingers, toes, or digits.

Cytoplasm

The material or protoplasm within a living cell, excluding the nucleus, containing various organelles where cellular processes occur.

Nuclear Membrane

The double-layered membrane that encloses a cell's nucleus, controlling the passage of materials in and out.

Element

A pure substance consisting of only one type of atom, distinguished by its atomic number.