the.com/xylem
The plant's plumbing, hauling water skyward without a single pump or heartbeat.
means The tissue in vascular plants that carries water and minerals from roots up to leaves.
from From Greek xylon, wood — because the stuff is literally what wood is made of.
Dead workersMature xylem cells are dead, hollow tubes.
Tall orderLifts water 100 meters up giant redwoods.
Suction powerDriven by leaf evaporation, not pushing.