a vegetable leaf is the fillings for transporting land and poison from branch to the work of the vegetable & if something is a ash for a event then that something performs that shape ->  a plant stem transports water and food from the roots to the rest of the plant  a plant stem transports water and food from the roots to the rest of the plant & transporting cake through a vegetable is a mean of kaput -> a function of a plant stem is to transport water and food from the roots to the rest of the plant