2025/2026 BYU CELL 220 EXAM 3 WITH ALL
COMPLETE QUESTIONS AND DETAILED CORRECT
ANSWERS WELL ERABORATED FOR
GUARANTEED PASS TOP-RATED A+.
BYU CELL
Ace your BYU CELL 220 exam with this verified collection of exam-
style questions and solutions designed to test your grasp of cellular and
molecular biology. This document efficiently reinforces critical
information on genetics, signaling, and the cell cycle, saving you
valuable study time. Invest in this guide to boost your confidence and
ensure you are fully prepared for exam day.
The average cardiac output of the heart is... ......
ANSWER ....... 5.25 Liters per minute
The heart beats about ___ times per minute ...... ANSWER
....... 75
The heart functions as a dual pump for which two circuits?
...... ANSWER ....... Pulmonary and Systemic
Where is the heart located? ...... ANSWER ....... Within
the Mediastinum. On the diaphragm. Posterior to the
Sternum.
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The base of the heart is comprised of the... ...... ANSWER
....... Posterior and superior surfaces of the heart
The apex points to the... ...... ANSWER ....... Left Hip
The apex is comprised of the... ...... ANSWER .......
Anterior and inferior surfaces of the heart
The pericardium is made up of ___ layers ...... ANSWER
....... Three
The outermost layer of the pericardium is the... ......
ANSWER ....... Fibrous Pericardium
Just deep to the fibrous pericardium is the... ......
ANSWER ....... Parietal layer of the Serous Pericardium
What is found between the two layers of the serous
pericardium? ...... ANSWER ....... The Pericardial
Cavity
The Pericardial Cavity contains... ...... ANSWER .......
Serous fluid
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The deepest layer of the pericardium is the... ......
ANSWER ....... Visceral layer of the Serous Pericardium
What are the functions of the pericardium? ...... ANSWER
....... Prevent undesired movement and overfilling of the
heart. Reduces friction.
The heart wall is made up of ___ layers ...... ANSWER
....... Three
Which layer of the heart wall is the most superficial? ......
ANSWER ....... The Epicardium
The Epicardium is made up of which type of skin cells?
...... ANSWER ....... Simple squamous epithelium
The Epicardium is also known as the... ...... ANSWER
....... Visceral layer of the Serous Pericardium
The middle layer of the heart wall is the... ...... ANSWER
....... Myocardium
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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
What part of the heart is the pump for the pulmonary circuit?
...... ANSWER ....... The right ventricle