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BYU CELL 220 EXAM 3 LATEST 2026-2027 ACTUAL EXAM WITH
COMPLETE QUESTIONS AND CORRECT DETAILED ANSWERS (100%
VERIFIED ANSWERS) |ALREADY GRADED A+| ||PROFESSOR
VERIFIED|| ||BRANDNEW!!!||
Which layer of the heart wall is the bulkiest? - ANSWER-The
Myocardium
The Myocardium is made of which type of muscle? - ANSWER-
Cardiac
The deepest layer of the heart wall is the... - ANSWER-
Endocardium
The endocardium is also known as the... - ANSWER-Endothelium
The Endocardium is made up of which type of cell? - ANSWER-
Simple squamous epithelium
What is the function of the pulmonary circuit? - ANSWER-Carry
blood to and from the lungs
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What part of the heart is the pump for the pulmonary circuit? -
ANSWER-The right ventricle
What is the function of the systemic circuit? - ANSWER-Transport
blood to and from the body tissues
What part of the heart is the pump for the systemic circuit? -
ANSWER-The left ventricle
The atriums of the heart are located _____ to the ventricles of the
heart - ANSWER-Superior
What is the pattern of blood flow through the heart? - ANSWER-1.
Superior/Inferior Vena Cava. 2. Right Atrium 3. Right Ventricle 4.
Pulmonary trunk 5. Pulmonary artery 6. Lungs 7. Pulmonary vein
8. Left Atrium 9. Left Ventricle 10. Aorta
What is the function of the right atrium? - ANSWER-A receiving
chamber for oxygen poor blood from the systemic circuit
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The Fossa ovalis is known as what during fetal circulation? -
ANSWER-Foramen ovale
What is the function of the right ventricle? - ANSWER-Eject
oxygen poor blood into the pulmonary trunk.
When papillary muscles of the heart anchor what? - ANSWER-
The chordae tendineae
What is the function of the chordae tendineae? - ANSWER-
Prevent the valves from everting
The left atrium is located on the... - ANSWER-Posterior surface of
the heart
What is the function of the left atrium? - ANSWER-Receive
oxygen rich blood from the lungs via the pulmonary veins
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The left ventricle is the most _____ of all the chambers of the
heart - ANSWER-Muscular
The left ventricle forms what part of the heart? - ANSWER-The
apex and inferior surface
What is the function of the left ventricle? - ANSWER-Eject
oxygen-rich blood into the aorta.
Heart valves are composed of... - ANSWER-Dense connective
tissue
Heart valves have how many cusps? - ANSWER-Two or three
What is the function of a heart valve? - ANSWER-Permit blood
flow in one direction. Prevent back flow.
What is the fibrous skeleton of the heart? - ANSWER-Dense
connective tissue between the atria and the ventricles
BYU CELL 220 EXAM 3 LATEST 2026-2027 ACTUAL EXAM WITH
COMPLETE QUESTIONS AND CORRECT DETAILED ANSWERS (100%
VERIFIED ANSWERS) |ALREADY GRADED A+| ||PROFESSOR
VERIFIED|| ||BRANDNEW!!!||
Which layer of the heart wall is the bulkiest? - ANSWER-The
Myocardium
The Myocardium is made of which type of muscle? - ANSWER-
Cardiac
The deepest layer of the heart wall is the... - ANSWER-
Endocardium
The endocardium is also known as the... - ANSWER-Endothelium
The Endocardium is made up of which type of cell? - ANSWER-
Simple squamous epithelium
What is the function of the pulmonary circuit? - ANSWER-Carry
blood to and from the lungs
,2|Page
What part of the heart is the pump for the pulmonary circuit? -
ANSWER-The right ventricle
What is the function of the systemic circuit? - ANSWER-Transport
blood to and from the body tissues
What part of the heart is the pump for the systemic circuit? -
ANSWER-The left ventricle
The atriums of the heart are located _____ to the ventricles of the
heart - ANSWER-Superior
What is the pattern of blood flow through the heart? - ANSWER-1.
Superior/Inferior Vena Cava. 2. Right Atrium 3. Right Ventricle 4.
Pulmonary trunk 5. Pulmonary artery 6. Lungs 7. Pulmonary vein
8. Left Atrium 9. Left Ventricle 10. Aorta
What is the function of the right atrium? - ANSWER-A receiving
chamber for oxygen poor blood from the systemic circuit
,3|Page
The Fossa ovalis is known as what during fetal circulation? -
ANSWER-Foramen ovale
What is the function of the right ventricle? - ANSWER-Eject
oxygen poor blood into the pulmonary trunk.
When papillary muscles of the heart anchor what? - ANSWER-
The chordae tendineae
What is the function of the chordae tendineae? - ANSWER-
Prevent the valves from everting
The left atrium is located on the... - ANSWER-Posterior surface of
the heart
What is the function of the left atrium? - ANSWER-Receive
oxygen rich blood from the lungs via the pulmonary veins
, 4|Page
The left ventricle is the most _____ of all the chambers of the
heart - ANSWER-Muscular
The left ventricle forms what part of the heart? - ANSWER-The
apex and inferior surface
What is the function of the left ventricle? - ANSWER-Eject
oxygen-rich blood into the aorta.
Heart valves are composed of... - ANSWER-Dense connective
tissue
Heart valves have how many cusps? - ANSWER-Two or three
What is the function of a heart valve? - ANSWER-Permit blood
flow in one direction. Prevent back flow.
What is the fibrous skeleton of the heart? - ANSWER-Dense
connective tissue between the atria and the ventricles
