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BLOOD VESSELS

BLOOD VESSELS. http://www.innerbody.com/htm/body.html. ARTERIES. FUNCTION – CARRY BLOOD AWAY FROM THE HEART CHARACTERISTICS VERY THICK, MUSCULAR WALLS (WHY). FIGURE 8 PG. 546 VERY HIGH BLOOD PRESSURE CARRIES OXYGENATED BLOOD (WITH 1 EXCEPTION) EXAMPLES – CORONARY, AORTA, CAROTID, FEMORAL

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BLOOD VESSELS

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  1. BLOOD VESSELS http://www.innerbody.com/htm/body.html

  2. ARTERIES • FUNCTION – CARRY BLOOD AWAY FROM THE HEART • CHARACTERISTICS • VERY THICK, MUSCULAR WALLS (WHY). FIGURE 8 PG. 546 • VERY HIGH BLOOD PRESSURE • CARRIES OXYGENATED BLOOD (WITH 1 EXCEPTION) • EXAMPLES – CORONARY, AORTA, CAROTID, FEMORAL • WHY ARE YOU SUPPOSED TO WAIT ½ HOUR – 1 HOUR AFTER YOU EAT BEFORE YOU GO SWIMMING?

  3. ATHEROSCLEROSIS

  4. ARTERIES

  5. CORONARY ARTERIES

  6. ARTERIES IN BRAIN

  7. VEINS • FUNCTION – AFTER BLOOD MOVES THROUGH THE ARTERIES IT ENTERS LARGER BLOOD VESSELS CALLED VEINS, WHICH CARRY BLOOD BACK TO THE HEART. • CHARACTERISTICS • THINNER WALLS WITH LESS MUSCLE • HAVE VALVES (WHY) • CARRIES DEOXYGENATED BLOOD (1 EXCEPTION) • EXAMPLES – VENA CAVA, JUGULAR, • LOCATION – NEAR MUSCLES (WHY)

  8. VEINS

  9. VEINS VS. ARTERIES

  10. VEINS http://www.innerbody.com/htm/body.html

  11. SPIDER VEINS

  12. RETICULAR VEINS

  13. VERICOSE VEINS

  14. VERICOSE VEINS

  15. CAPILLARIES • FUNCTION: WHERE MATERIAL (OXYGEN, NUTRIENTS, CARBON DIOXIDE, ENERGY) IS EXCHANGED BETWEEN BLOOD AND CELLS • CHARACTERISTICS • VERY SMALL • WALLS ARE ONLY ONE CELL THICK • DIFFUSION TAKES PLACE • MOST ABUNDANT • FOUND NEAR MUSCLE CELLS, ORGANS, ETC. http://www.innerbody.com/htm/body.html

  16. CAPILLARIES http://www.innerbody.com/htm/body.html

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