The bronchi divides into many tubes called bronchioles. The bronchioles divide until they end up in tiny air sacs called alveoli. There are millions of alveoli found within the lungs. These ...
Verywell Health on MSN25d
What Are Alveoli?What these tiny sacs in the lungs do and conditions that can affect them Medically reviewed by Susan Russell, MD Alveoli are ...
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