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HESI: Circulatory
Term | Definition |
---|---|
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 |