Cardiovascular System Lab Quiz
Visceral Pericardium
inner layer of the serous pericardium
Aorta
largest artery of the systematic circuit
Coronary Sinus
largest vein of the coronary circulation
Myocardium
layer of the heart composed of cardiac muscle tissue
Mitral Valve
located between the left atrium and the left ventricle
Aortic Valve
located between the left ventricle and the aorta
Tricuspid Valve
located between the right atrium and the rights ventricle
Parietal Pericardium
outer layer of the serous pericardium
The pulmonary and aortic valves are known as the...
semilunar valves
What is the normal pacemaker of the heart?
SA node
The right and left coronary arteries are the first branches off the...
aorta
Pulmonary Trunk
brings deoxygenated blood to the lungs
Pulmonary Veins
brings oxygenated blood to the left atrium from the lungs
The purpose of the AV node delay is to...
allow the atria to depolarize and contract before the ventricles and allow the ventricles to fill.
Cardiac muscle cells are also known as ________. Adjacent cells are joined together by ________, which allows the heart to _________.
cardiac myocytes; intercalated disks; contract as a unit
The veins of the systematic circuit carry _________ blood, and the veins of the pulmonary circuit carry __________ blood.
deoxygenated; oxygenated
Chordae Tendineae
fibrous cord that attaches to valves
Papillary Muscles
fingerlike muscular projections from the ventricles
