The Cardiovascular System: The Heart
Auricle
"little ear"
Found in the interventricular septum
AV bundle
The point in the conduction system of the heart where impulse is temporarily delayed
AV node
The inner lining of the heart
Endocardium
Atrium
Entryway
Serous layer covering the heart muscle
Epicardium
Name the two main branches of the left coronary artery
Anterior interventricular artery (left anterior descending artery) Circumflex artery
Prevents backflow into the left ventricle
Aortic valve
Ventr
Belly, lower
Carne
Flesh, meat
Which side of the heart acts as the systemic pump?
Left
"icle"
Little
Trabecula
Little beam
AV valve with flaps
Mitral valve
Prevents backflow into the left atrium
Mitral valve
heart muscle
Myocardium
The outermost layer of the pericardium
Parietal layer
What is the function of the papillary muscles and chordae tendineae?
Prevent the AV valves from flipping inside out or building into the atria when the ventricles contract
Prevents backflow into the right ventricle
Pulmonary valve
Network found in the ventricular myocardium
Purkinje fibers
Which side of the heart acts as the pulmonary pump?
Right
Name the two main branches of the right coronary artery
Right marginal artery Posterior interventricular artery
Pacemaker of the heart
SA Node
Prevents backflow into the right atrium
Tricuspid valve
AV valve with three flaps
Tricuspid valves
Point that represents the "dup" sound made by the heart
Ventricular depolarization
