1. Arteries, Veins and Capillaries Highways and Byways of the Circulatory System By Student X

2. Functions of the Circulatory System Transportation of Food to Cells Transportation of Oxygen to Cells Removal of Carbon Dioxide and other Waste Products from Cells

3. The Circulatory System Every living Cell in the Body is Served by the Circulatory System The circulatory system contains three types of vessels to transport blood: Arteries, Veins, and Capillaries. http://users.tpg.com.au/users/amcgann/body/circulatory.html

4. Arteries Arteries Transport Materials Away from the Heart Arteries Transport Materials Away from the Heart Arteries are thick walled Muscular Vessels Arteries are thick walled Muscular Vessels Arteries connect to Capillaries Arteries connect to Capillaries http://www.coheadquarters.com/PennLibr/MyPhysiology/lect8/figbp01.htm

5. Capillaries Connect Arteries and Veins Connect Arteries and Veins Thin Walled Vessels Thin Walled Vessels Where Transfer Of Gases, Food, and Waste Products Occur Where Transfer Of Gases, Food, and Waste Products Occur http://users.tpg.com.au/users/amcgann/body/circulatory.html

6. Veins Returns Blood to Heart Returns Blood to Heart Not as Large or Muscular as Arteries Not as Large or Muscular as Arteries Valves to Prevent Backflow Valves to Prevent Backflow http://www.coheadquarters.com/PennLibr/MyPhysiology/lect8/figbp01.htm