Cardiovascular System Lab Quiz

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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


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