The Heart and Blood Vessels

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  • The Heart and Blood Vessels
    • Electrical impulse spreads from the SANacross both Artia causing them to contract
      • non-conductive tissue prevents ventricles contractibg
    • cardiac output = heart rate x stroke volume
    • oxygenated blood
      • pulmonary veins
        • left atrium
          • left atrioventricular valve (bicuspid)
            • left ventricle
              • left semi-lunar valave (aortic)
                • aorta
                  • vena cavae
                    • right atrium
                      • right atrioventricular valave (tricuspid)
                        • right ventricle
                          • right semilunar vallve
                            • pulmonary artery
                              • body
                                • pulmonary veins
                                  • left atrium
                                    • left atrioventricular valve (bicuspid)
                                      • left ventricle
                                        • left semi-lunar valave (aortic)
                                          • aorta
                                            • vena cavae
                                              • right atrium
                                                • right atrioventricular valave (tricuspid)
                                                  • right ventricle
                                                    • right semilunar vallve
                                                      • pulmonary artery
                                                        • body
      • deoxygenated blood
        • Blood vessels
          • Cappilaires
            • Carry blood from arterioles to veins
              • Large lumen
                • thin inner lining (epithelium)
                  • thin elastic wall
                    • thin muscular wall
                      • tough outer layer
          • Veins
            • Carry blood from cappileries to the heart
              • small lumen
                • thin inner layer (epithelium)
          • Arteries
            • carry blood from heart to arterioles
              • Small lumen
                • thin inner lining (epithelium)
                  • thick elastic layer
                    • thick muscle layer
                      • tough outer layer
      • pacemaker of the heart
      • ventricles
        • thick muscular walls to pump blood to lungs or whole body
        • The Heart and Blood Vessels
          • Electrical impulse spreads from the SANacross both Artia causing them to contract
            • non-conductive tissue prevents ventricles contractibg
          • cardiac output = heart rate x stroke volume
          • oxygenated blood
            • deoxygenated blood
              • Blood vessels
                • Cappilaires
                  • Carry blood from arterioles to veins
                    • Large lumen
                      • thin inner lining (epithelium)
                        • thin elastic wall
                          • thin muscular wall
                            • tough outer layer
                • Veins
                  • Carry blood from cappileries to the heart
                    • small lumen
                      • thin inner layer (epithelium)
                • Arteries
                  • carry blood from heart to arterioles
                    • Small lumen
                      • thin inner lining (epithelium)
                        • thick elastic layer
                          • thick muscle layer
                            • tough outer layer
          • lungs

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