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HESI: Circulatory

Circuit RaTVaRVen, PaLLa, PVLV, AAo
carries blood away from heart Artery
Capillaries sites of gas exchange btw blood & tissues
______ branch into smaller vessels, ultimately becoming capillaries Arteries
Capillaries merge into larger vessels called _____ Veins
Veins return blood to the heart
largest artery in body Aorta
largest vein in the body SVC & IVC
ascends from RIGHT ATRIUM connects to head & neck Superior Vena Cava
descends from RIGHT ATRIUM connects to lower trunk Inferior Vena Cava
smallest blood vessels & most populous in body Capillaries
cardiac muscles contracting, moving blood from a chamber SYSTOLE
SA NODE heart's pacemaker
cardiac muscles are relaxing, chamber is expanding to fill with blood Diastole
AV valve prevents blood from going back to Atria from Ventricles
another name for Bicuspid Valve Mitral Valve
another name for AV VALVE Tricuspid Valve
sac enclosing heart Pericardium
receiving chambers Atria
sending chambers Ventricles
Created by: msxmas