APPLIED RADIOLOGICAL ANATOMY

ANATOMY

CHEST AND CARDIOVASCULAR

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
In the lungs, gases are exchanged between capillary walls and millions of tiny air sacs called ____
A
capillaries
B
alveoli
C
atria
D
ventricles
E
arteries
Explanation: 

Detailed explanation-1: -Tiny air sacs at the end of the bronchioles (tiny branches of air tubes in the lungs). The alveoli are where the lungs and the blood exchange oxygen and carbon dioxide during the process of breathing in and breathing out.

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