and CORRECT Answers
Pericardium - CORRECT ANSWER Outer protective double-layered sac surrounding the
heart.
Epicardium - CORRECT ANSWER Thin outermost layer of the heart, contains coronary
arteries.
Myocardium - CORRECT ANSWER Middle muscular layer of the heart, contains electrical
system.
Endocardium - CORRECT ANSWER Inner most layer of the heart, lines chambers and
valves.
Blood flow through the heart - CORRECT ANSWER Venules --> Veins --> Superior/Inferior
VC --> Rt atria --> Tricuspid Valve --> Rt ventricle --> Pulmonary valve --> Pulmonary Artery -
-> Lungs --> Pulmonary Veins --> Lt atria --> Bicuspid/Mitral valve --> Lt ventricle --> Aortic
Valve --> Aorta --> Arteries --> Arterioles --> Capillaries --> Body
Deoxygenated blood(left side of heart) - CORRECT ANSWER Venules --> Veins -->
Superior/Inferior VC --> Rt atria --> Tricuspid Valve --> Rt ventricle --> Pulmonary valve -->
Pulmonary Artery
Oxygenated blood(right side of heart) - CORRECT ANSWER Pulmonary Veins --> Lt atria --
> Bicuspid/Mitral valve --> Lt ventricle --> Aortic Valve --> Aorta --> Arteries --> Arterioles --
> Capillaries
Atrioventricular Valves(diastole) - CORRECT ANSWER Valves between the atria and
ventricles. Tricuspid, Bicuspid/Mitral. Regulates blood flow IN the heart.