Like the Kidneys,the Lungs Demonstrate Functional Unity; That Is,each Unit

question 3

Multiple Choice

Like the kidneys,the lungs demonstrate functional unity; that is,each unit is structurally and functionally identical.The basic physiological unit of the lung is the respiratory unit,which consists of:

• A)Nonrespiratory and respiratory bronchioles,alveolar ducts,and alveolar sacs.
• B)Respiratory bronchioles,alveolar ducts,and alveolar sacs.
• C)Bronchi,nonrespiratory bronchioles,and respiratory bronchioles.
• D)Conducting airways,alveolar ducts,and alveolar sacs.

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