Respuesta :
The conducting zone contains all of the following except alveolar sac which is a part respiratory zone.
What is respiration?
- "The act or process of breathing: the inhaling of oxygen and the exhaling of carbon dioxide is called respiration."
- The organs/parts that are involved in respiration constitute respiratory tract. It is divided into two parts: conducting zone and respiratory zone.
- Conducting zone: It consists of the structure that is present outside of the lungs such as nose, pharynx, larynx, and trachea and structure inside the lungs such as the bronchi, bronchioles, and terminal bronchioles. It is responsible for transportation of inhaled gases.
- Respiratory zone: It consists of respiratory bronchioles and alveolar sac. It is responsible for exchange of gases.
Hence, the correct option is: D. Alveolar sac.
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