Multi-cellular organisms have a very great network of cells, tissues, organs and organ systems. These structures communicate with each other by exchanging materials.
The network of structures responsible for that is the transport system.
In humans there are two types of transport systems – the blood circulatory system (made up of the heart, blood vessels and blood.) and the lymphatic system (carries materials around the body).
Plants also have their own transport system – xylem and phloem tissues.
The xylem tissue transports water and dissolved minerals.
The phloem tissue transports food substances through the plant.
Importance of Transport System
1. It connects different parts of the body with one another.
2. It transports food materials to all cells, tissues and organs.
3. It distributes water to various parts of the body.
4. It transports waste products from different parts of the body to the excretory organs.
5. It transports raw materials such as oxygen to the cells, tissues and organs that need them.
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