Heart Anatomy
Blood Flow Pathway
Heart Valves
Elecrical system
Cardiac Output
100

This muscular wall separates the left and right sides of the heart 

 Septum

100

blood enters the heart from the body through this large vein

superior vena cava

100

the valve prevents backflow into the right atrium 

tricuspid valve

100

this node is the hearts natural pacemaker 

sinoatrial (SA) node

100

cardiac output is calculated using heart rate and this other factor 

volume

200

this is the upper chamber that receives deoxygenated blood from the body 

Atrium

200

the artery carries deoxygenated blood to the lungs 

pulmonary artery

200

this valve prevent backflow from the pulmonary artery into the right ventricle 

pulmonary valve 

200

the node delays the electrical signal before sending it to the ventricles 

atrioventricular (AV) node

200

this is the formula for cardiac output 

cardiac output= heart x stroke volume 

500

this outer protective layer of the heart reduces friction as it beats 

pericardium

500

the largest artery in the body, this vessel carries blood from the heart to the systemic circulation

aorta 

500

these structures prevent the valves from inverting during contraction

chordae tendineae 

500

the QRS complex on an ECG represents this action in the heart 

ventricular depolarization 

500

this term describes the maximum amount of blood the heart can pump per minute during exercise 

maximal cardiac output