Loose Leaf For Integrated Principles Of Zoology
18th Edition
ISBN: 9781260411140
Author: Cleveland P Hickman Jr. Emeritus, Susan L. Keen, David J Eisenhour Professor PhD, Allan Larson, Helen I'Anson Associate Professor of Biology
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 31, Problem 6RQ
Trace the flow of blood through a mammalian heart, naming the four chambers and their valves, and explaining where the blood entering each atrium comes from and where blood leaving each ventricle goes. When the ventricles contract, what prevents blood from reentering the atria? What factors cause blood to move forward at high pressure in the aorta?
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Trace the flow of blood through a mammalian heart, naming the four chambers and their valves, and explaining where the blood entering each atrium comes from and where blood leaving each ventricle goes. When the ventricles contract, what prevents blood from reen-tering the atria? What factors cause blood to move forward at high pressure in the aorta?
How can you tell which side of the heart is the ventral surface (the surface closer to your chest)?
How many chambers are found in the mammalian heart? List these chambers.
Which chambers are the pumping chambers of the heart?
Which chambers are the receiving chambers of the heart?
How do the walls of the atria compare with the walls of the ventricles and why are they different?
Which heart chamber has the thickest muscle wall?
Why is it necessary for the chamber in the above question to have a thicker muscle wall?
What is the purpose of heart valves?
Name & compare the heart valves found between the upper & lower chambers of the right and left sides of the heart.
https://www.hhmi.org/biointeractive/vertebrate-circulatorium
Compare and Contrast:
Adult to fetal heart in mammals
Fetal heart in mammals to diving heart in crocodile.
To see the differences in the mammal heart as a fetus vs adult.
Go to "Mammal". Click on "Heart Detail". Click "Activate". Toggle between "Fetal Heart" and "Adult Heart" to see the differences in blood flow.
To see the differences in the crocodile heart on the surface vs diving.
Go to "Crocodile". Click on "Heart Detail". Click "Activate". Toggle between "Surface" and "Dive" to see the differences in blood flow.
Chapter 31 Solutions
Loose Leaf For Integrated Principles Of Zoology
Ch. 31 - Name the chief intracellular electrolytes and the...Ch. 31 - What is the fate of spent erythrocytes in the...Ch. 31 - Prob. 3RQCh. 31 - Two distinctly different styles of circulatory...Ch. 31 - Place the following in correct order to describe...Ch. 31 - Trace the flow of blood through a mammalian heart,...Ch. 31 - Explain the origin and conduction of the...Ch. 31 - Define the terms systole and diastole. Distinguish...Ch. 31 - Prob. 9RQCh. 31 - Prob. 10RQ
Ch. 31 - Prob. 11RQCh. 31 - Describe an advantage of a fishs gills for...Ch. 31 - Describe the tracheal system of insects. What is...Ch. 31 - Trace the route of inspired air in humans from the...Ch. 31 - Prob. 15RQCh. 31 - How does a frog ventilate its lungs? Contrast an...Ch. 31 - What is the role of carbon dioxide in the control...Ch. 31 - Prob. 18RQCh. 31 - Prob. 19RQCh. 31 - The ability of hemoglobin to bind oxygen decreases...Ch. 31 - At high altitudes, the partial pressure of oxygen...
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- Describe all the events (steps) that occur during a cardiac cycle for mammals (organisms with a double circulation). How does this cycle contribute to metabolic homeostasis for our cells, and what is the purpose of the valves?arrow_forwardExplain the origin and conduction of the excitation that leads to a heart contraction. Why is the vertebrate heart said to be myogenic? If the heart is myogenic, how do you account for alterations in rate of the heartbeat?arrow_forwardexplain the cardiac cycle and how electrical impulses are conducted through the human heart?arrow_forward
- Describe the two phases of the excitation of the vertebrate heartarrow_forwardWrite the following structures into sequence as a drop of blood would pass them on the double circuit of a mammalian system. aorta to systemic arteries and arterioles aortic semilunar valve inferior and superior vena cavae left atrioventricular valve (also called biscupid or mitral valve) left atrium left ventricle pulmonary capillaries to venules pulmonary trunk/arteries to arterioles pulmonary semilunar valve pulmonary veins right atrioventricular valve (also called tricuspid valve) right atrium right ventricle systemic capillaries to venules and veinsarrow_forwardSketch a comparison of a human ang pig's heart. Cite its similarities and differences. Label the following: The 4 Chambers The 4 major blood vessels The biscuspid and tricuspid valves The semi-lunar valvesarrow_forward
- Describe the structure of the heart of a mammalarrow_forwardWhy does the mammalian heart have 2 pumping chambers? What is the purpose?arrow_forwardA large grasshopper and a small mouse may be similar in size. However, the total length of blood vessels is much greater in the mouse, and the mouse’s heart pumps at much higher pressure than the grasshopper’s hearts. Which statement is most useful for explaining these observations?arrow_forward
- What are the major characteristics of veins and arteries as blood vessels in an animal circulatory system?arrow_forwardMap the flow of oxygenated blood through the heart to general circulation.drag and drop each step onto the list below to show the path of blood flow through the heart.arrow_forwardWhich best describes blood flow through the heart? O oxygenated blood comes into the heart's left atrium, is pumped into the left ventricle, then pushed throughout the body O deoxygenated blood comes into the left ventricle, is pumped into the left atrium, then pushed to the lungs to be oxygenated O oxygenated blood comes into the heart's right atrium, is pumped into the left atrium, then pushed throughout the body O deoxygenated blood comes into the heart's right atrium, is pumped into the left atrium, then pushed throughout the bodyarrow_forward
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