Plants take in carbon dioxide and release oxygen through the stomata on their leaves.

stomata 是 stoma 的复数形式，来自希腊语，原意为"嘴、开口"。在植物学中特指叶片表皮上微小的气孔结构，由两个保卫细胞组成，用于气体交换和水分蒸腾。