Question : What are the components of the transport system in highly organised plants? Answer : In highly organised plants there are two conducting tissues xylem and phloem. Xylem consists of vessels, tracheids and other xylem tissues. The interconnected vessels and tracheids form a continuous system of water conducting channels reaching all parts of the plant. Xylem carries water and minerals. Phloem conducts soluble products of photosynthesis from leaves to different parts of the plant body.