xylem
vascular tissue that carries water upward from the roots to every part of a plant
Xylem is a type of plant tissue that is responsible for transporting water and nutrients from the roots of a plant to the leaves, stems, and other parts of the plant. It is composed of several different cell types, including tracheids and vessel elements, which are adapted to efficiently move water through the plant.
Tracheids are long, narrow cells with thick walls that have small, circular pits in them. These pits allow for water to pass through from one tracheid to another. Vessel elements, on the other hand, are shorter and wider cells that are joined end-to-end to form tubes. These tubes are able to transport larger volumes of water more quickly than tracheids.
Xylem is also involved in the transportation of minerals and other nutrients that are dissolved in water. As water moves through the xylem, it carries these nutrients to the parts of the plant that need them.
Overall, xylem plays a crucial role in the growth and survival of plants by ensuring that they have access to the water and nutrients they need to function properly.
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