Have you ever wondered how plants “breathe”? Even though they don’t have lungs like we do, plants need to take in gases from the air and release others to stay alive. The key to this amazing process lies in tiny openings on their leaves called stomata. These little “doors” open and close to let carbon dioxide in, oxygen out, and water vapor escape. Carbon dioxide moves in, oxygen moves out, and the flow of water vapor must be controlled. Letting water vapor escape is essential because, durin