Biology: Life on Earth with Physiology (11th Edition)
11th Edition
ISBN: 9780133923001
Author: Gerald Audesirk, Teresa Audesirk, Bruce E. Byers
Publisher: PEARSON
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Chapter 33.2, Problem 1HYEW
Summary Introduction
To determine:
The reason how giraffe’s heart will pump the blood to its brain.
Introduction:
Heart is the muscular organ present in most animals. Heart serves as the pump to circulate the blood. The heart has four chambers. The cardiac muscles are of two types’ myocardial contractile cells and myocardial conducting cells.
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A four-chambered heart, with a complete septum between the left ventricle and the right ventricle, makes the warm-blooded condition possible for all of the following vertebrate groups except:
modern placental mammals (like the beaver)
modern amphibians (like the frog)
modern monotremes (like the platypus)
modern birds (like the bald eagle)
modern marsupials (like the kangaroo)
Amphibians have three-chambered hearts, which have some limitations when compared to the four-chambered hearts of birds and mammals. Describe a disadvantage of a three-chambered heart (in comparison to a four-chambered heart), and one way in which amphibians are able to compensate for it.
Which statement best describes how diving mammals are different than mammals that are not adapted for diving?
Question 10 options:
Diving mammals always keep blood flowing to their lungs during a dive
Diving mammals have larger lungs
Diving mammals have smaller blood vessels
Diving mammals can store more oxygen in their muscles
Chapter 33 Solutions
Biology: Life on Earth with Physiology (11th Edition)
Ch. 33.1 - explain the major features of all circulatory...Ch. 33.1 - Why doesnt insect hemolymph need hemoglobin?Ch. 33.1 - compare open and closed circulatory systems?Ch. 33.1 - describe the functions of the vertebrate...Ch. 33.2 - Prob. 1CSCCh. 33.2 - describe the three types of vertebrate hearts and...Ch. 33.2 - Prob. 1HYEWCh. 33.2 - Prob. 1TCCh. 33.2 - Prob. 2CYLCh. 33.2 - Prob. 3CYL
Ch. 33.3 - describe each component of blood and explain its...Ch. 33.3 - Prob. 1TCCh. 33.3 - Prob. 2CYLCh. 33.3 - Prob. 2TCCh. 33.3 - explain the sequence of events during blood...Ch. 33.4 - Prob. 1CYLCh. 33.4 - Prob. 1ETCh. 33.4 - Prob. 1TCCh. 33.4 - Prob. 2CYLCh. 33.4 - Prob. 3CYLCh. 33.5 - Prob. 1CSCCh. 33.5 - Prob. 1CSRCh. 33.5 - Prob. 1CYLCh. 33.5 - Prob. 1TCCh. 33.5 - Prob. 2CYLCh. 33.5 - Prob. 3CYLCh. 33 - Prob. 1ACCh. 33 - Prob. 1FIBCh. 33 - Prob. 1MCCh. 33 - List the major structures of all circulatory...Ch. 33 - Prob. 2ACCh. 33 - Prob. 2FIBCh. 33 - Which of the following is True? a. Arteriole...Ch. 33 - Describe and compare the features of open and...Ch. 33 - The hearts pacemaker is called the (complete term)...Ch. 33 - Prob. 3MCCh. 33 - Explain how two- and three-chambered vertebrate...Ch. 33 - Prob. 4FIBCh. 33 - Prob. 4MCCh. 33 - Prob. 4RQCh. 33 - Prob. 5FIBCh. 33 - Which of the following is true of blood pressure?...Ch. 33 - Prob. 5RQCh. 33 - Prob. 6FIBCh. 33 - Prob. 6RQCh. 33 - Lymph is ___________ that has entered lymphatic...Ch. 33 - Prob. 7RQCh. 33 - Prob. 8RQCh. 33 - Describe the cardiac cycle, and relate the...Ch. 33 - Prob. 10RQCh. 33 - Prob. 11RQCh. 33 - Prob. 12RQCh. 33 - In what way do veins and lymphatic vessels...
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- When comparing the circulatory systems of vertebrates, indicate whether the following statements are true or false. There is no mixing of oxygenated (high [O2]) and deoxygenated (low [O2]) blood in the ventricle of a fish. #apply Question 9 options: True False The circulatory system of amphibians is more efficient than that of fish because there are two circulatory loops. #analyze Question 10 options: True False The only vertebrates without a hepatic portal venous system connecting the gut to the liver are the fish. #analyze Question 11 options: True False There is no mixing of oxygenated (high [O2]) and deoxygenated (low [O2]) blood in the ventricle of a frog. #apply Question 12 options: True Falsearrow_forwardMost humans are less than 2 meters tall. However, imagine if a human was 9 meters (almost 30 feet) tall. This would create some challenges that would require modifications to their cardiovascular system. Using your knowledge of normal human cardiovascular function, describe two ways that you could modify the cardiovascular system of a 9-meter human to accommodate their immense height (hint: think about things like gravity and blood pressure).arrow_forwardIn arthropods the open circulatory system is the primary means by which cells receive oxygen for cellular respiration. True Falsearrow_forward
- This circulatory system pattern is characteristic of: Fish ○ Birds ○ Crocodilians ○ All reptilesarrow_forwardWhich statement best describes how diving mammals are different than mammals that are not adapted for diving? Question 8 options: Diving mammals have larger lungs Diving mammals always keep blood flowing to their lungs during a dive Diving mammals have smaller blood vessels Diving mammals can store more oxygen in their musclesarrow_forwardCrocodilians are the only group of reptiles that have a four chambered heart. How do you think this helps them survive?arrow_forward
- The mammalian circulatory system includes a four- chambered heart and a double-loop circulation. How do the four chambers of the heart relate to the two circulatory loops?arrow_forwardMany invertebrates utilize the body cavity as a circulatory system. However, in humans, the body cavity plays no role whatsoever in circulation. Why?arrow_forwardWould having two or more hearts be adaptive for vertebrates? Why do you think that invertebrates have evolved multiple hearts but vertebrates have only one?arrow_forward
- All of the following are TRUE of a vertebrate whose blood flows directly from the respiratory organs to the body tissues without first returning to the heart, EXCEPT: cannot support a terrestrial lifestyle cannot separate oxygenated blood from deoxygenated blood has a two-chambered heart has a single circuit circulatory system all of these statements are truearrow_forwardMammals carry hemoglobin and oxygen in their red blood cells to help the blood circulate in the different parts of their body. State 2 reasons for this adaption.arrow_forwardCompare the structure of reptilian and mammalian hearts, tracing the flow of blood through the double circulatory system.arrow_forward
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