Tracheid
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Example:
Imagine trying to drink a thick milkshake through a small straw. Just as the straw is the crucial channel that allows the milkshake to move from the cup to your mouth, a tracheid in a plant acts as a conduit to transport water from the roots to the leaves. Both the straw and the tracheid are essential for moving liquids through a narrow space: the straw is hollow and sturdy to handle the milkshake's thickness, much like the tracheid's thick walls that support and facilitate the upward movement of water within the plant.

Practice Version

Tracheid: A hollow xylem cell with thick walls that transports water. Tracheid. Tracheids are long, tube-like cells in plants that help move water from the roots to the rest of the plant.