What is the meaning of breathing? what plant organs are involved in the respiration process?

Plant respiration is necessary to provide yourself with energy. The plant absorbs carbon dioxide during daylight hours and synthesizes glucose. It serves as the main source of energy. At night, the plant absorbs oxygen. It is needed to provide various vital processes, including for the oxidation of previously synthesized glucose. The plant absorbs gases from the entire surface of the leaves. Sometimes it can carry out gas exchange with the stem, but only when it is green. This means that photosynthesis also takes place there.