Campbell Biology in Focus (2nd Edition)
2nd Edition
ISBN: 9780321962751
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece
Publisher: PEARSON
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Chapter 34.2, Problem 1CC
Summary Introduction
To explain:
Why blood in the pulmonary veins has more oxygenated blood than venae cavae, which are also veins.
Introduction:
Heart is a muscular organ present in the left side of the breastbone. It pumps blood through the network of arteries and veins know as cardiovascular system. Human has four chambered heart in which two atria and two ventricles are present and are separated by a valve. Blood flow in human body is facilitated by double circulation. The deoxygenated blood goes into lungs via right atria and right ventricle and oxygenated blood into the body is goes via left atria and left ventricle.
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Explain why blood has a higher O2 concentration in the pulmonary veins than in the venae cavae, which are also veins.
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In pulmonary circulation, arteries carry blood from the ____________ to the ____________. Veins carry blood from the _____________ to the _______________.
Chapter 34 Solutions
Campbell Biology in Focus (2nd Edition)
Ch. 34.1 - How is the now of hemolymph through an open...Ch. 34.1 - Three-chambered hearts with incomplete septa were...Ch. 34.1 - Prob. 3CCCh. 34.2 - Prob. 1CCCh. 34.2 - Why is it important that the AV node delay the...Ch. 34.2 - Prob. 3CCCh. 34.3 - What is the primary cause of the low velocity of...Ch. 34.3 - Prob. 2CCCh. 34.3 - Prob. 3CCCh. 34.4 - Prob. 1CC
Ch. 34.4 - Prob. 2CCCh. 34.4 - Prob. 3CCCh. 34.4 - Prob. 4CCCh. 34.5 - Why is an internal location for gas exchange...Ch. 34.5 - After a heavy rain, earthworms come to the...Ch. 34.5 - MAKE CONNECTIONS Describe similarities in the...Ch. 34.6 - Prob. 1CCCh. 34.6 - Prob. 2CCCh. 34.6 - WHAT IF? If an injury tore a small hole in the...Ch. 34.7 - What determines whether O2, or CO2, undergoes net...Ch. 34.7 - How does the Bohr shift help deliver O2, to very...Ch. 34.7 - Prob. 3CCCh. 34 - Which of the following respiratory systems is not...Ch. 34 - Blood returning to the mammalian heart in a...Ch. 34 - Pulse is a direct measure of A. blood pressure. B....Ch. 34 - Prob. 4TYUCh. 34 - One feature that amphibians and humans have in...Ch. 34 - If a molecule of CO2 released into the blood in...Ch. 34 - Prob. 7TYUCh. 34 - DRAW IT Plot blood pressure against time for one...Ch. 34 - Prob. 9TYUCh. 34 - Prob. 10TYUCh. 34 - Prob. 11TYUCh. 34 - SYNTHESIZE YOUR KNOWLEDGE The diving bell spider...
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- After oxygen diffuses into lung capillaries, it also diffuses into _______ and binds with _______. a. tissue fluid; red blood cells b. tissue fluid; carbon dioxide c. red blood cells; hemoglobin d. red blood cells; carbon dioxidearrow_forwardA pulmonary _______ carries oxygen-poor blood. a. artery b. veinsarrow_forwardThe pulmonary trunk carries: low-oxygen blood from the lungs to the heart O oxygenated blood from the heart to the lungs O low-oxygen blood from the heart to the lungs oxygenated blood from the lungs to the heartarrow_forward
- Explain why oxygen diffuses from alveolar air into theblood.arrow_forwardCompare the relative oxygen content of the blood flowing in the pulmonary artery with that in the pulmonary vein.arrow_forwardBlood within the pulmonary veins returns to the: right atrium right ventricle left atrium left ventriclearrow_forward
- Blood in the pulmonary arteries travels to the: O right atrium O right ventricle lung left atrium O left ventriclearrow_forwardThe pulmonary circulation is innervated by both parasympathetic and sympathetic nerves.arrow_forwardfor its oxygen then it may die, forming rct. The severity of this condition depends on the precise location of the occlusion, which downstream tissues are involved, and how large an area of tissue dies. Use Figure 4.9 as a reference and list the flow of blood through both circuits in order, beginnng with the right atrium (don't forget to include the heart valves). 1. If an embolus breaks off in a systemic vein in the leg, it would be able to pass through: It would occlude: 2. If an embolus formed in the left ventricle, it would be able to pass through: 3. It would occlude: 4.arrow_forward
- Why does hemoglobin have high affinity for oxygen in arterial blood and lower affinity in capillaries beds? Explain in terms of blood oxygen pressure.arrow_forwardMAP of the pulmonary system is 21 mmHg, Left Atrial Pressure is 3mmHg, and Flow is 5625ml/min. What is the resistance of the pulmonary circuit? Would this be higher or lower resistance than the systemic circuit? Why do you think so?arrow_forwardwhich side of the heart delivers deoxygenated blood to the lungs for alveolar gas exchange? The right side or the left side.arrow_forward
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