PRIN.OF HUMAN ANATOMY (LL)
15th Edition
ISBN: 9781119662761
Author: Tortora
Publisher: WILEY
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Chapter 20, Problem 6CP
Summary Introduction
To review:
The type of tissue that makes up the heart's fibrous skeleton and way it is organized in the heart.
Introduction:
The cardiac muscles maintain the shape of the heart and at the same time assist in pumping blood to the farthest regions of the body. Apart from the muscles, the heart is also made of the fibrous skeleton. The skeleton system and the cardiac muscles make the heart quite strong against friction.
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Chapter 20 Solutions
PRIN.OF HUMAN ANATOMY (LL)
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?Ch. 20 - Gerald recently visited the dentist. During the...Ch. 20 - 2. Unathletic Sylvia resolves to begin an exercise...Ch. 20 - 3. Mr. Perkins is a large, 62-year-old man with a...
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- What is the relationship between wall thickness and function among the various chambers of the heart?arrow_forwardWhat veins collect blood from the heart muscle?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_forward
- Which of the four chambers of the human heart has the thickest muscular walls?arrow_forwardFrom 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_forwardWhat types of tissues make up the cardiac conduction system?arrow_forward
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