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. Longsleeve T-shirt #482718088
If you need a timeless long-sleeved t-shirt, this soft long-sleeved crew shirt is the one for you. It has a 100% combed ringspun cotton, 32 singles thread weight, 4.3 oz. fabric weight, a set-in 1x1 baby rib collar and a tear away label.
