2. The Structure of the Cardiovascular System General introduction

3. The Cardiovascular System Made up of – The Heart – The Blood Vessels – The Blood

4. The Heart The heart is a muscular pump with thick walls

5. The Blood Vessels The body has a range of blood vessels Arteries Arterioles Capillaries Venules Veins They carry the blood around your body to the tissues and back to the heart

6. The Blood Blood carries the different materials around your body, Carries nutrients, hormones and all other essentials. Blood cells make up about 45% of the blood volume. The other 55% is plasma

7. The Cardiovascular System The major transport system in the body Delivers Oxygen to the body tissues from the lungs Nutrients to the liver from the intestines Removes Carbon Dioxide from the cells to the lungs, to be excreted Waste products from the liver to the kidneys. Transports white blood cells, antibodies and hormones to different parts of the body.