Pulmonary alveolus - Wikipedia A pulmonary alveolus (pl alveoli; from Latin alveolus 'little cavity'), also called an air sac or air space, is one of millions of hollow, distensible cup-shaped cavities in the lungs where pulmonary gas exchange takes place [1]
What Are Alveoli? Function, Structure, and Damage Each alveolus is wrapped in a web of capillaries so dense that blood flows across nearly the entire surface of the air sac In adults, this network is organized as a single layer woven into the walls (called septa) between neighboring alveoli
Pulmonary alveolus | Lungs, Respiration, Gas Exchange . . . pulmonary alveolus, any of the small air spaces in the lungs where carbon dioxide leaves the blood and oxygen enters it Air, entering the lungs during inhalation, travels through numerous passageways called bronchi and then flows into approximately 300,000,000 alveoli at the ends of the bronchioles, or lesser air passages
What Are Alveoli? Function, Anatomy, and Damage - Biology . . . Alveoli are tiny air sacs at the very end of your airways where your lungs do their real job: swapping oxygen into your blood and pulling carbon dioxide out The average adult has roughly 480 million of them, clustered at the tips of the smallest breathing tubes like bunches of grapes
Alveoli: Anatomy, function and clinical points | Kenhub Learn the fine structure of the lungs The term alveolus (singular) refers to a hollow cavity, basin or bowl in latin Consequently, there are different types of alveoli (plural) found throughout the human body