Principles of Anatomy and Physiology
14th Edition
ISBN: 9781118345009
Author: Gerard J. Tortora
Publisher: WILEY
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Textbook Question
Chapter 20, Problem 5CP
What is the relationship between wall thickness and function among the various chambers of the heart?
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Chapter 20 Solutions
Principles of Anatomy and Physiology
Ch. 20 - l. Define each of the following external features...Ch. 20 - 2. Describe the structure of the pericardium and...Ch. 20 - 3. What are the characteristic internal features...Ch. 20 - Prob. 4CPCh. 20 - 5. What is the relationship between wall thickness...Ch. 20 - Prob. 6CPCh. 20 - What causes the heart valves to open and to close?...Ch. 20 - In correct sequence, which heart chambers, heart...Ch. 20 - Prob. 9CPCh. 20 - Prob. 10CP
Ch. 20 - 11. In what ways are autorhythmic fibers similar...Ch. 20 - What happens during each of the three phases of an...Ch. 20 - 13. In what ways are ECGs helpful in diagnosing...Ch. 20 - How does each ECG wave, interval, and segment...Ch. 20 - 15. Why must left ventricular pressure be greater...Ch. 20 - Prob. 16CPCh. 20 - During which two periods of the cardiac cycle do...Ch. 20 - Prob. 18CPCh. 20 - Prob. 19CPCh. 20 - Prob. 20CPCh. 20 - Prob. 21CPCh. 20 - Define cardiac reserve. How does it change with...Ch. 20 - Prob. 23CPCh. 20 - 24. What are some of the cardiovascular benefits...Ch. 20 - Prob. 25CPCh. 20 - Prob. 26CPCh. 20 - Why is the cardiovascular system one of the first...Ch. 20 - From which tissue does the heart develop?
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- From what sources does blood flow into the upper and lower chambers of the heart? What are the destinations to which these chambers pump blood?arrow_forwardWhich layer is both a part of the pericardium and a part of the heart wall?arrow_forwardWhat is the importance and the physiology of the cardiac conduction system?arrow_forward
- (a) Name the elements of the intrinsic conduction system of the heart in order, beginning with the pacemaker. (b) What is the important function of this conduction system?arrow_forwardWhich part of the conducting system of the heart is localized in the interventricular septum? (a) the atrioventricular node, (b) the sinoatrial node, (c) the atrioventricular bundle, (d) the Purkinje fibers.arrow_forwardWhat is the significance of atrio-ventricular node and atrio-ventricular bundle in the functioning of heart?arrow_forward
- How does the fact that cardiac muscle does not undergo tetanus (as skeletal muscle does) affect the functioning of the heart?arrow_forwardWhich valves are present on the right side of the heart? Which valves are present on the left side of the heart? What chambers do the left side of the heart and right side of heart regulate?arrow_forwardDescribe the three layers that cover the heart. Where is the pericardial cavity relative to these layers?arrow_forward
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The Cardiovascular System: An Overview; Author: Strong Medicine;https://www.youtube.com/watch?v=Wu18mpI_62s;License: Standard youtube license