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Topic : Circulatory System

Topic : Circulatory System Aim : Describe the structure and function of the 3 types of blood vessels. Do Now : Practice Questions… HW : Read pgs.525-526. Write a paragraph describing enzymes, their role in digestion and their role in other life processes.

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Topic : Circulatory System

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  1. Topic: Circulatory System Aim: Describe the structure and function of the 3 types of blood vessels. Do Now: Practice Questions… HW: Read pgs.525-526. Write a paragraph describing enzymes, their role in digestion and their role in other life processes. (Packing Fat Reading Comprehension due on Monday!)

  2. Review: Identify the part of blood being described. • Most numerous blood cell. • Carries enzymes. • Involved in blood clotting. • Carries oxygen. • Largest blood cell. • Made up of 90% water. • Involved in blood clotting. • Protect the body against disease. • Carries hormones.

  3. Did you know… • The body of an adult contains over 60,000 miles of blood vessels! • An adult's heart pumps nearly 4000 gallons of blood each day! • The average three-year-old has two pints of blood in their body. The average adult has at least five times more!

  4. http://www.youtube.com/watch?v=A-HfDPJ3R00

  5. Capillaries Arteries Veins

  6. Branching arteries in the eye

  7. Capillaries Arteries Veins

  8. Capillaries Arteries Veins

  9. http://www.youtube.com/watch?v=A-HfDPJ3R00

  10. Artery Vein

  11. ARTERIES CAPILLARIES VEINS

  12. Blood vessels in the right arm and shoulder

  13. Arteries of the lower leg & blood supply to the face & skull

  14. Let’s summarize… • Identify the three types of blood vessels. • Why are arteries very muscular? • Identify where each type of blood vessel carries blood? • Why are capillaries so thin? • Why do veins have valves? • In which blood vessel is your pulse felt? Explain why.

  15. Review: Identify the type of blood vessel being described. • Low blood pressure • Where diffusion of substances occurs. • Contains valves • Carry blood away from the heart • Connects arteries and veins • Carry blood away from the heart • Red blood cells move in single file • Elastic and flexible. • Used to feel pulse.

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