Transportation in plants and its efficiency are amazing. Trees transport all the nutrients and water it needs for survival from its roots to the tips of the leaves. In the case of transportation in plants, the biggest constraint is water as it ends up being a limiting factor in growth. 
To overcome this problem, trees and other plants have the perfect system for the absorption and translocation of water. Plants contain a vast network of conduits which consist of xylem and phloem. This is more like the circular system that transports blood throughout the human body. Similar to the circular system in humans, the xylem and phloem tissues extend throughout the plant. 

These conducting tissues originate from the roots and move up through the trunks of trees. Later they branch off into the branches and then branching even further into every leaf, like spider webs.

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