Campbell Biology in Focus
3rd Edition
ISBN: 9780134710679
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Rebecca Orr
Publisher: PEARSON
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Textbook Question
Chapter 34.7, Problem 1CC
What determines whether O2, or CO2, undergoes net diffusion into or out of capillaries? Explain.
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Arrange the following in the ascending ( small to large) order of the percentage of dissolving CO2.
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Chapter 34 Solutions
Campbell Biology in Focus
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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- How is Co2 transporter in the body and write the equation that demonstrates this ?arrow_forwardWhat are the Causes of a Decreased Arterial PO2 (Hypoxic Hypoxia) in Disease?arrow_forwardReferring to the figure shown, the movement of glucose is from the lumen of the duodenum through an interstitial cell, out to the extracellular fluid, and into a capillary. What would happen if the action of the Na+–K+ pumps was reduced? A)The rate of flow of glucose into the interstitial cells would be increased. B)The direction of flow of glucose would be reversed. C)The rate of flow of glucose into the interstitial cells would be reduced. D)Nothing would differ: the movement of glucose would be the same as before the reversal.arrow_forward
- What does an erythrocyte gain by the loss of its nucleus and organelles? What three cellular processes can it no longer engage in due to the loss of its (a) nucleus and (b) mitochondria?arrow_forwardIncreased partial pressure of O2 in plasma from 50mmHg to 100 mmHg leads to the following: A) 2 fold increase of O2 carried in blood B) 2 fold increase of O2 bound to hemoglobin C) 2 fold increase of dissolved oxygenarrow_forwardA normal human contains 5 liters of blood, approximately 2% of which isresident in the systemic (i.e., non-pulmonary) capillaries at any given time.(a) Assuming that the capillaries are 8 μm in diameter, estimate the totallength of capillaries in the body (excluding the lungs).(b) If an average capillary length is 1 mm, how many capillaries are therein the body?(c) Cardiac output is 5 l/min. Assuming that this is evenly distributedthroughout a parallel network consisting of the capillaries found in (b),estimate the pressure drop across the capillary bed. Assume Newtonian,laminar flow in the capillaries with μeff of 3.5 cP. What percentage ofthe total 85mmHg systemic pressure drop is this?arrow_forward
- 1) Construct a figure that shows how most molecules of CO2 gas is stored in the blood. 2) For each of the steps in your figure above: Describe what is happening in a sentence. 3) Answer the following in a brief sentece: Why does the body store CO2 this way instead of just transporting the gas dissolved in a liquid.arrow_forwardExplain what a partial pressure gradient is and how such gradients figure in gas exchange.arrow_forwardA general principle of physiology states that information flow between cells, tissues, and organs is an essential feature of homeostasis and allows for integration of physiological processes. How is this principle demonstrated by the relationship between the circulatory and endocrine systems?arrow_forward
- You are studying bulk flow in a tissue. You have measured the following: Blood pressure at the arterial end of the capillary – 30mmHg Osmotic pressure at the arterial end of the capillary – 20 mmHg partial pressure of oxygen at the arterial end of the capillary – 42 mmHg; partial pressure of CO2 – 40mmHg partial pressure of O2 at the venous end – 42 mmHg; partial pressure of CO2 – 46mmHg Blood pressure at the venous end of the capillary – 14mmHg Osmotic pressure at the venous end of the capillary – 20 mmHg Pick all that would apply A)the 10 mm Hg pressure difference will drive blood plasma into the interstitial fluid B)the 6 mm Hg pressure difference will drive blood plasma into the interstitial fluid C)the hydrostatic pressure declines from the arterial side to the venous side because oxygen is lost. D)the pH is lower on the arterial side than on the venous side. E)the osmotic pressure remains constant due to carbon dioxide compensation. F)oxygen is taken up by the…arrow_forwardWhat is a consequense of unusually high concentration of CO2 in the blood stream at all times?arrow_forwardUnder what circumstances could ions flow through anion channel from a region of lower ion concentration toa region of higher ion concentration?arrow_forward
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