Layers & Location
The outermost layer of the pericardial membranes is:
what is the fibrous pericardial sac
The amount of blood pumped in one beat is called:
what is stroke volume
The function of all heart valves.
What is to prevent back flow
what is to pump blood
The normal resting rate of a normal healthy heart.
what is 60-80 bpm
The smooth, slick, innermost layer of the heart.
what is the endocardium
The aorta transports the blood....
to the body
The valve that prevents backflow of blood from the right ventricle to the right atrium.
what is the tricuspid valve
The part of the heart that initiates each beat/natural pacemaker.
what is SA node
As the heart beats, friction between the pericardial membranes is prevented by this.
what is serous fluid
The muscle layer of the heart.
what is the myocardium
The vein that returns blood from the lower part of the body, below the diaphragm.
what is the inferior vena cava
The valves between the atria and ventricles.
what is the AV valves
In one cardiac cycle, when the ventricles are in systole and the atria are in______.
what is diastole
An abnormal "swish" sound of the heart.
what is a heart murmur
Both names of the serous membrane that lies right against the heart.
what is the epicardium and the visceral pericardium
The part of the heart with the thicker myocardium.
what is the left ventricle
The flap of the AV valves are anchored by these two parts.
what are the chordae tendoneae and the papillary muscles
The parts of the conduction pathway that brings about contraction of the ventricles.
what are the bundle of His, bundle branches, and Purkinje fibers
The amount of blood pumped by the left ventricle in one minute.
what is cardiac output
The center location of the heart is called_____, the lateral organs to the heart are______.
what is mediastinum & lungs
The percent of blood within the ventricles that is pumped during systole.
what is ejection fraction
The 2 semilunar valves are_____& ________.
what is Pulmonary and aortic
the sympathetic and parasympathetic
what is the medulla