Question: What do you call a pore, found in the epidermis of leaves, stems, and other organs, that facilitates gas exchange, is part of the soil-plant-atmosphere continuum (SPAC),  the name of the pathway for water moving from soil through plants to the atmosphere
Sentence (from "Pulmonary alveolus"): Lung alveoli are the ends of the respiratory tree, branching from either alveolar sacs or alveolar ducts, which like alveoli are both sites of gas exchange with the blood as well.
Relevant evidence: No