Parenchyma is a type of plant tissue that plays a vital role in various functions, including photosynthesis, storage, and tissue repair. Composed of living cells with thin cell walls, parenchyma is found in many parts of plants, such as leaves, stems, and fruits. Its flexible structure allows for the storage of nutrients and water, as well as the facilitation of gas exchange. Additionally, parenchyma cells can differentiate into other types of plant cells when needed, contributing to plant growth and healing.