BIOLOGY- CUSTOM W/ MASTERINGBIOLOGY
10th Edition
ISBN: 9781323572900
Author: Reece
Publisher: PEARSON C
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Chapter 42.1, Problem 3CC
Summary Introduction
To explain: Why a surgery is needed for a baby born with an unclosed hole between the right atria and left atria of heart.
Concept introduction:
In normal human heart, the atria are separated by a thin inter-atrium septum. In the fetal heart, the septum has a small pore called foramen ovale. Normally, the foramen ovale closes at birth, when lungs become functional. In some cases, foramen ovale does not close properly, it is called a patent foramen ovale; a birth defect that requires surgery to rectify.
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Chapter 42 Solutions
BIOLOGY- CUSTOM W/ MASTERINGBIOLOGY
Ch. 42.1 - Prob. 1CCCh. 42.1 - Three-chambered hearts with incomplete septa were...Ch. 42.1 - Prob. 3CCCh. 42.2 - Explain why blood has a higher 02 concentration in...Ch. 42.2 - Prob. 2CCCh. 42.2 - Prob. 3CCCh. 42.3 - Prob. 1CCCh. 42.3 - Prob. 2CCCh. 42.3 - Prob. 3CCCh. 42.4 - Explain why a physician might order a white cell...
Ch. 42.4 - Prob. 2CCCh. 42.4 - Prob. 3CCCh. 42.4 - Prob. 4CCCh. 42.4 - Prob. 5CCCh. 42.5 - Why is an internal location for gas exchange...Ch. 42.5 - Prob. 2CCCh. 42.5 - MAKE CONNECTIONS Describe similarities in the...Ch. 42.6 - Prob. 1CCCh. 42.6 - Prob. 2CCCh. 42.6 - Prob. 3CCCh. 42.7 - Prob. 1CCCh. 42.7 - How does the Bohr shift help deliver O2 to very...Ch. 42.7 - Prob. 3CCCh. 42 - How does the flow of a fluid in a closed...Ch. 42 - Prob. 42.2CRCh. 42 - Prob. 42.3CRCh. 42 - Prob. 42.4CRCh. 42 - Prob. 42.5CRCh. 42 - How does air in the lungs differ from the fresh...Ch. 42 - How are the roles of a respiratory pigment and an...Ch. 42 - Prob. 1TYUCh. 42 - Blood returning to the mammalian heart in a...Ch. 42 - Prob. 3TYUCh. 42 - When you hold your breath, which of the following...Ch. 42 - Prob. 5TYUCh. 42 - Prob. 6TYUCh. 42 - Prob. 7TYUCh. 42 - DRAW IT Plot blood pressure against time for one...Ch. 42 - EVOLUTION CONNECTION One opponent of the movie...Ch. 42 - Prob. 10TYUCh. 42 - Prob. 11TYUCh. 42 - WRITE ABOUT A THEME: INTERACTIONS Some athletes...Ch. 42 - Prob. 13TYU
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- Keeping the mammalian cardiac cycle balanced is/are: a. an AV node between the right atria atrium and right ventricle, which induces a wave of contraction. b. pacemaker cells, which compose the AV node and signal theSA node. c. an insulating layer that isolates the SA node from the rightatrium. d. ion channels in pacemaker cells, which close to depolarizetheir plasma membranes. e. neurogenic stimuli from the nervous system.arrow_forwardDescribe the electrical events that occur during the cardiac cyclein a mammalian heart.arrow_forwardTest Your Understanding 13. SCIENCE, TECHNOLOGY, AND SOCIETY Explain the association between atherosclerosis and ischemic heart disease. Imagine that you were the Surgeon General of the United States. What types of programs would you advocate to decrease heart disease? Do you think that as a society we should invest resources into the development of stem cell therapies for more effective treatment of myocardial infarction?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_forwardExplain how using an open circulatory system constrains the size of animals.arrow_forward[|q]. Toxt Detail the control of heart rate. Include: resting values, inherent values, how the ANS modulates, factors that affect heart rate, etc.?arrow_forward
- 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.arrow_forward27. All of the followings are incorrect about adult human heart, except ---------------------. A. There is a lower systemic than pulmonary arterial blood pressure B. There are four chambers in the heart C. The right atrium receives blood directly from pulmonary veins D. In adults, right atrium is connected to the left atrium by the foramen ovale E. The right atrium is electrically coupled to the right ventricle by the SA nodearrow_forwardTypes of Circulatory Systems Contrast internal transport in animals with no circulatory system, animals with an open circulatory system, and animals with a closed circulatory system.arrow_forward
- 4.Why does the right ventricle need to pump the blood to the lungs via the left and right pulmonary arteries? Read and analyze the question and choices CAREFULLY; more importantly, ALWAYS CHOOSE the BEST answer. because the blood originating from the right ventricle will be transported immediately back to the heart via the left and right pulmonary veins because the blood emerging from the right ventricle will be used to oxygenate the heart muscle itself because the blood will be renewed into oxygenated blood because the blood arising from the right ventricle needs to be pumped to all parts of the bodyarrow_forwardQ4. THROUGH A PROPER DIAGRAMN, EXPLAIN ANATOMY OF THE HEART BLOOD, NERVE AND VENOUS SUPPLY?arrow_forward1. Can a pig survive if its respiratory surface becomes dry? Why or why not? 2. How are oxygen and carbon dioxide transported to and from all the internal organs in the pig? 3. Trace the flow of blood through the chambers of the heart. Indicate whether blood is oxygenated deoxygenated at each point of the pathway. Place the following structures in the correct order. Right ventricle Left ventricle Right atrium Left atrium Lungs Artery Body Veinarrow_forward
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