Human Anatomy (8th Edition)
8th Edition
ISBN: 9780134243818
Author: Elaine N. Marieb, Patricia Brady Wilhelm, Jon B. Mallatt
Publisher: PEARSON
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Chapter 19, Problem 17RQ
Summary Introduction
To review:
Location of the cardiac skeleton in the frontally sectioned heart.
Introduction:
The cardiac skeleton is also known as the fibrous skeleton of the heart. This section of the heart shows a ring of fibrous connective tissue that surrounds the heart valves. The heart is divided into four chambers, namely two auricles and two ventricles. The right side of the heart carries deoxygenated blood while the left side carries oxygenated blood.
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On a diagram of a frontally sectioned heart, indicate the location of the cardiac skeleton.
NOTES
and the left side serving the systemic circuit. In Figure 16-15, complete
the schematic showing the blood flow to and from the heart (the starting
points are given to you). Use a blue pen or pencil to denote the direction of
deoxygenated blood and a red pen or pencil for oxygenated blood flow.
Include the names of the major vessels, chambers, and valves involved,
based on the following list:
lung capillary beds
body capillary beds
right ventricle
left ventricle
bicuspid valve
superior vena cava
tricuspid valve
inferior vena cava
pulmonary semilunar valve
pulmonary trunk
aortic semilunar valve
R. and L. pulmonary arteries
R. and L. pulmonary veins
aorta
Pulmonary Circulation
Systemic Circulation
Right atrium
Left atrium
URA--YCK
HAT
Lungs
Body
Figure 16-15. Schematic of circulation
The four-chambered heart is a single organ but is sometimes described as a “double pump” because it functions more like two pumps than one. Explain why this is so, including the names of the heart structures involved.
please help
Chapter 19 Solutions
Human Anatomy (8th Edition)
Ch. 19 - Prob. 1CYUCh. 19 - Prob. 2CYUCh. 19 - What is another name for the epicardium?Ch. 19 - Identify the heart chamber or chambers that...Ch. 19 - Prob. 5CYUCh. 19 - Prob. 6CYUCh. 19 - During ventricular systole, are the AV valves open...Ch. 19 - Differentiate a stenotic valve from an incompetent...Ch. 19 - What is the significance of the gap junctions in...Ch. 19 - What is the pacemaker of the heart, and where is...
Ch. 19 - Prob. 11CYUCh. 19 - Prob. 12CYUCh. 19 - Prob. 13CYUCh. 19 - How would incomplete formation of the...Ch. 19 - Which chamber of the heart is formed from the...Ch. 19 - What is the single most important factor for...Ch. 19 - The most external part of the pericardium is the...Ch. 19 - Prob. 2RQCh. 19 - How many cusps does the right atrioventricular...Ch. 19 - Prob. 4RQCh. 19 - Prob. 5RQCh. 19 - Prob. 6RQCh. 19 - Prob. 7RQCh. 19 - Prob. 8RQCh. 19 - Prob. 9RQCh. 19 - Which layer of the heart wall is the thickest? (a)...Ch. 19 - The inferior left corner of the heart is located...Ch. 19 - Prob. 12RQCh. 19 - Describe the location of the heart within the...Ch. 19 - Trace a drop of blood through all the heart...Ch. 19 - Prob. 15RQCh. 19 - Sketch the heart and draw all the coronary vessels...Ch. 19 - Prob. 17RQCh. 19 - Prob. 18RQCh. 19 - Make a drawing of the adult heart and the...Ch. 19 - How do the right and left ventricles differ...Ch. 19 - Which is more resistant to fatigue, cardiac muscle...Ch. 19 - Describe the structure and function of an...Ch. 19 - Compare and contrast the structure of cardiac...Ch. 19 - Classify the three congenital heart...Ch. 19 - Prob. 2CRCAQCh. 19 - Prob. 3CRCAQCh. 19 - After a man was stabbed in the chest, his face...Ch. 19 - A heroin addict felt tired, weak, and feverish....Ch. 19 - Another patient had an abnormal heart sound that...Ch. 19 - Prob. 7CRCAQCh. 19 - During a lethal heart attack, a blood. clot lodges...Ch. 19 - Prob. 9CRCAQ
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Name a structure that is on the ventural side of the heart located more laterally within the axial regionarrow_forwardAnother patient had an abnormal heart sound that indicated a stenotic valve. Define this condition, and contrast it with an incompetent heart valve.arrow_forward- A - D - B - Carrow_forward
- trace a drop of blood from the left ventricle of the heart to the wrist of the right hand and back to the heart(name each vessel) then trace the drop of blood to the dorsum of the right foot and back to the right side of the heart.arrow_forwardConsider the circulation of blood through the heart. Put the structures in the order that blood flows through them, starting with the superior and inferior venae cavae|(#1) and ending with the ascending aorta (#14).arrow_forwardWhich heart sound is longer in duration and louder, the first or the second heart sound. Briefly explain.arrow_forward
- labelarrow_forwardIn a paragraph or using an arrows, trace the blood flow from the superior vena cava, inferior vena cava and coronary sinus entering the heart to the pulmonary circulation and systemic circulation.arrow_forwardThe myocardium is supplied by its own arterial blood supply, called the coronary circulation. Describe the coronary circulation focusing on different chambers of the heart and the different components of the cardiac system.arrow_forward
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