Blood vessel notes

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Blood vessel notes

  1. 1. Notes: Blood Vessels (pg 8)
  2. 2. ArteriesArteries carry blood AWAY from the heart
  3. 3. ArteriesArteries carry blood AWAY from the heartTransport oxygenated blood
  4. 4. ArteriesArteries carry blood AWAY from the heartTransport oxygenated blood (Except Pulmonary Arteries which carry deoxygenated blood from heart to the lungs)
  5. 5. ArteriesArteries carry blood AWAY from the heartTransport oxygenated blood (Except Pulmonary Arteries which carry deoxygenated blood from heart to the lungs)Blood moves rapidly through arteries and is under high pressure
  6. 6. ArteriesArteries carry blood AWAY from the heartTransport oxygenated blood (Except Pulmonary Arteries which carry deoxygenated blood from heart to the lungs)Blood moves rapidly through arteries and is under high pressureArteries branch until they become microscopic arterioles
  7. 7. CapillariesCapillaries form the connection between arteries and veins
  8. 8. Capillaries form the connection between arteries and veinsSmallest blood vessels. Walls are only 1 cell thick. Tiny diameter (RBCs must go through single file).
  9. 9. Capillaries form the connection between arteries and veinsSmallest blood vessels. Walls are only 1 cell thick. Tiny diameter (RBCs must go through single file).Very numerous (total length of capillaries in your body is around ______________
  10. 10. Capillaries form the connection between arteries and veinsSmallest blood vessels. Walls are only 1 cell thick. Tiny diameter (RBCs must go through single file).Very numerous (total length of capillaries in your body is around 25,000 miles!)
  11. 11. Capillaries form the connection between arteries and veinsSmallest blood vessels. Walls are only 1 cell thick. Tiny diameter (RBCs must go through single file).Very numerous (total length of capillaries in your body is around 25,000 miles!)Function = Exchange of gases and nutrients between blood and tissues
  12. 12. Capillaries form the connection between arteries and veinsSmallest blood vessels. Walls are only 1 cell thick. Tiny diameter (RBCs must go through single file).Very numerous (total length of capillaries in your body is around 25,000 miles!)Function = Exchange of gases and nutrients between blood and tissuesBlood travels very slowly through capillaries
  13. 13. VeinsVeins carry blood TOWARD the heart
  14. 14. Veins carry blood TOWARD the heartTransport deoxygenated blood (Except Pulmonary veins – carry oxygenated blood from the lungs to the left atrium)
  15. 15. Veins carry blood TOWARD the heartTransport deoxygenated blood (Except Pulmonary veins – carry oxygenated blood from the lungs to the left atrium)After flowing through capillaries, blood enters microcopicvenules which converge into veins
  16. 16. 3. Veins: Carry blood TOWARD the heartTransport deoxygenated blood (Except Pulmonary veins – carry oxygenated blood from the lungs to the left atrium)After flowing through capillaries, blood enters microcopicvenules which converge into veinsHave valves that prevent backflow of blood
  17. 17. 3. Veins: Carry blood TOWARD the heartTransport deoxygenated blood (Except Pulmonary veins – carry oxygenated blood from the lungs to the left atrium)After flowing through capillaries, blood enters microcopicvenules which converge into veinsHave valves that prevent backflow of blood
  18. 18. Veins carry blood TOWARD the heartTransport deoxygenated blood (Except Pulmonary veins – carry oxygenated blood from the lungs to the left atrium)After flowing through capillaries, blood enters microcopicvenules which converge into veinsHave valves that prevent backflow of bloodBlood travels more slowly and undermuch lower pressure than in arteries
  19. 19. Blood Vessel IdentificationArteries• Aorta: leaves left ventricle. Largest artery
  20. 20. Blood Vessel IdentificationArteries• Aorta: leaves left ventricle. Largest artery• Coronary: Branches from ascending aorta. Supplies oxygenated blood to myocardium of heart
  21. 21. Blood Vessel IdentificationArteries• Aorta: leaves left ventricle• Coronary: Branches from ascending aorta. Supplies oxygenated blood to myocardium of heart• Pulmonary: from right ventricle to lungs
  22. 22. Blood Vessel IdentificationArteries• Aorta: leaves left ventricle• Coronary: Branches from ascending aorta. Supplies oxygenated blood to myocardium of heart• Pulmonary: from right ventricle to lungs• Carotid: Supplies brain and head. Pulse point in neck
  23. 23. Blood Vessel IdentificationArteries• Aorta: leaves left ventricle• Coronary: Branches from ascending aorta. Supplies oxygenated blood to myocardium of heart• Pulmonary: from right ventricle to lungs• Carotid: Supplies brain and head. Pulse point in neck• Brachial: Supplies arm. Where blood pressure is taken
  24. 24. Blood Vessel IdentificationArteries• Aorta: leaves left ventricle• Coronary: Branches from ascending aorta. Supplies oxygenated blood to myocardium of heart• Pulmonary: from right ventricle to lungs• Carotid: Supplies brain and head. Pulse point in neck• Brachial: Supplies arm. Where blood pressure is taken• Iliac: Supplies reproductive organs and legs• Femoral: Supplies thigh muscles
  25. 25. Blood Vessel IdentificationVeins• Superior and Inferior Vena Cava: largest veins. Empty into right atrium
  26. 26. Blood Vessel IdentificationVeins• Superior and Inferior Vena Cava: largest veins. Empty into right atrium• Pulmonary: from lungs to left atrium
  27. 27. Blood Vessel IdentificationVeins• Superior and Inferior Vena Cava: largest veins. Empty into right atrium• Pulmonary: from lungs to left atrium• Jugular: Drains blood from brain and head. Visible in neck when angry
  28. 28. Blood Vessel IdentificationVeins• Superior and Inferior Vena Cava: largest veins. Empty into right atrium• Pulmonary: from lungs to left atrium• Jugular: Drains blood from brain and head. Visible in neck when angry• Hepatic portal: Drains blood from the digestive system and carries it to liver. Allows liver to store nutrients and filter out toxins

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