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24 th November, 2011 Textbook Page - 180

BLOOD VESSELS. 24 th November, 2011 Textbook Page - 180. What are Blood Vessels?. A part of the circulatory system that transports blood throughout the body. Network of vessels that transport blood throughout the body. THE VASCULAR SYSTEM. ARTERIES.

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24 th November, 2011 Textbook Page - 180

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  1. BLOOD VESSELS 24th November, 2011 Textbook Page - 180

  2. What are Blood Vessels? A part of the circulatory system that transports blood throughout the body.

  3. Network of vessels that transport blood throughout the body. THE VASCULAR SYSTEM

  4. ARTERIES Blood is ejected out at a high velocity and with high pressure Walls have to be strong (to withstand the pressure), elastic and muscular. Walls dilate when the pressure pushes outwards, and later bounce back to normal shape This ‘bounce’ commonly known as ‘’the pulse’’ is felt in some areas of our body such as at the wrist.

  5. VEINS The vein wall has the same layers as the arterial wall, but it is much thinner. Low Pressure Smooth Flow when we are lying down at rest.

  6. DIRECTION OF BLOOD FLOW

  7. REQUIRED TERMINOLOGY

  8. Summary of the vascular system

  9. TEXTBOOK PAGE - 180

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