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Cardiosystem

The Cardiovascular System

QuestionAnswer
The lining of the heart chambers is called the: endocardium
The superior chambers of the heart are called the: atria
Freshly oxygenated blood is delivered to the _____ and then it passes into the _______, to be pumped to the entire body. left atrium; left ventricle
Into which chamber of the heart do the pulmonary veins deliver blood? Left atrium
The most muscular chamber of the heart is the ________. left ventricle
Which of the following is a difference between cardiac muscle and skeletal muscle? Unlike skeletal muscle cells, cardiac muscle cells can be autorhythmic.
The role of the atrioventricular node (AV node) is to: slow down impulses so that the atria can contract to fill the adjacent ventricles with blood.
The P wave of an electrocardiogram represents: atrial depolarization.
Created by: gia_nyc11105
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