Content: Xylem Vs Phloem. This lesson describes how the structures of the xylem vessel elements, phloem sieve tube elements and companion cells relates to their functions. Plants have transport systems to move food, water and minerals around. The primary function of the xylem is to transport water and nutrients to all regions, but it is also involved in replacing water lost through transpiration and photosynthesis. Xylem floem. Sieve tubes are columns of sieve-tube cells with perforations on the lateral wall through which the food substances travel. During transpiration water evaporates from the leaves and draws water from the roots. • Xylem: Xylem is derived from Greek word “xylon” means wood. the xylem and phloem are found near the outside to provide a sort of scaffolding that reduces bending Phloem is also the other type of vascular tissue introduced by Carl Nageli in 1858. Phloem coupled with xylem are intricate tissues that execute carriage of food supplements and water in a plant. Functions of xylem tube: The chief function of xylem tissues is … https://alevelbiology.co.uk/gcse/xylem-and-phloem-cells-in-plants Phloem-It consists of four of elements: sieve tubes, companion cells, phloem fibres and the phloem parenchyma. They collaborate as a spot to trigger efficacious carriage of foodstuff, vitamins, minerals as well as water. What is Phloem? Unlike the xylem, phloem conducts in … These systems use continuous tubes called xylem and phloem. Phloem is the complex tissue, which acts as a transport system for soluble organic compounds within vascular plants.. Their function is to efficiently transport the materials which can be food, water, nutrients, organic materials, etc. Phloem, like xylem, is comprised of several specialized cells like sieve tubes, companion cells, phloem fibers, and phloem parenchyma. Schmitz K, Schneider A (1989) Structure and development of sieve cells in the secondary phloem of Larix decidua Mill, as related to function. These cells are also living cells and are not lignified. Plants perform a similar function of transporting these nutrients — what we know as sap, by using complex tissues called xylem and phloem.Xylem is the dead, permanent tissue that carries water and minerals from roots to all other parts of the plant. Xylem fibres are supportive in function. Directly underneath the cuticle is a layer of cells called the epidermis. Xylem and phloem are the two types of vascular tissues, present in plants and together constitute vascular bundles. • Phloem: Phloem is derived from Greek word “phlois” means bark. Xylem also offers mechanical support to the plant. why is this? •Vascular system: A vascular system consists of xylem and phloem. Main function of phloem is transport of food from source to sink. 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