Alveoli in lungs. A pulmonary alveolus (plural: alveoli, from Latin alveolus, "little cavity") is a hollow cup-shaped cavity found in the lung parenchyma where gas exchange takes place. Tank Top #482718088
This must-have unisex jersey tank top has a modern fit, with a rounded neckline and crafted with superior combed and ring-spun cotton for an optimal printing surface. It comes in solid colors of 100% combed and ring-spun cotton, and Triblend colors that are 50% polyester, 25% combed and ring-spun cotton, and 25% rayon.