We Are The Best ......: Transport System In Plants (Group 1)

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Group Members: Safirah, Zhi Yin, Darren And Nizam

Plant Transport System

Intro

Plants have transport system,quite similar to the human circulatory system. The transport system is consists of two types of tissue, which are made up by cells. It helps to transport water, mineral salts (ions) and food to all parts of the plant.

Plant Transport System

The plant transport system consists of water carrying tube and food carrying tube. The water carrying tube is also known as the xylem and the food carrying tube is also known as the phloem.The vascular tissue contains the phloem and xylem which grow out from the cambium. It is arranged in vascular bundles,with food carrying tube(phloem) on the outside and water carrying tube(xylem) on the inside.

http://www.biologymad.com/master.htmlhttp://www.biologymad.com/planttransport/planttransport.htm

Xylem & Phloem

Xylem have fairly wide tubes with thick walls and phloem have cells known as sieve tubes. Not only the stems have transport tubes, the leaves and roots also have them.

A Picture Of The Stem A Picture Of The Root Transport system

Transporting food,water and mineral salts

Water and mineral salts:The water and mineral salts absorbed by the roots are carried upwards to the leaves by the xylem.

Food:The food made by the leaves are carried down or up to all parts of the plant by the phloem.

A Video And A Picture Of The Transport System

http://ap-bio-patrick-steed.wikispaces.com/file/view/xylem__phloem.jpg/85280965/xylem__phloem.jpg

The plant transport system is very important to the plant. As without it, food made by the leaves cannot reach the stem and roots and the water and mineral salts absorbed by the roots cannot reach the leaves and other parts of the plant.

Extra Facts!
Do you know that when someone cuts a tree down, they reveal a set of rings. The rings are the remains of old xylem tissue, one ring for every year the tree was alive.