-In this close-up image of a lung,what structures are indicated by number 4?
A)Respiratory bronchioles
B)Alveolar ducts
C)Alveoli
D)Terminal bronchioles
E)Bronchioles

Name: -In this close-up image of a lung,what structures are indicated by number 4? A)Respiratory bronchioles B)Alveolar ducts C)Alveoli D)Terminal bronchioles E)Bronchioles
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Question

-In this close-up image of a lung,what structures are indicated by number 4?
A)Respiratory bronchioles 
B)Alveolar ducts 
C)Alveoli 
D)Terminal bronchioles 
E)Bronchioles

Quizplus · Accepted Answer

Alveoli are the tiny air sacs in the lungs where gas exchange occurs, and they are often indicated in close-up images of lung tissue.

-In This Close-Up Image of a Lung,what Structures Are Indicated