CAMPBELL BIOLOGY:CONCEPTS... >CUSTOM<
18th Edition
ISBN: 9781323753149
Author: SIMON
Publisher: PEARSON C
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Textbook Question
Chapter 22, Problem 4TYK
Countercurrent gas exchange in the gills of a fish
a. maintains a gradient that enhances diffusion.
b. enables the fish to obtain oxygen without swimming.
c. means that blood and water flow at different rates.
d. allows O2 to diffuse against its partial pressure gradient.
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Students have asked these similar questions
Can you answer all the parts to this question regarding fish
A: Describe countercurrent exchange in your own words.
B: Describe concurrent exchange in your own words.
C: Mammals have dead end sacs called “alveoli” and don’t have the super efficient countercurrent exchange system seen in fish. Why do you think countercurrent exchange is necessary for fish? (hint: think about the difference between where most mammals and fish live).
Define the term “exchange surface” and list four common features of gas-exchange organs in animals.
Describe some structural and functional features that are commonto all gas-exchange surfaces in animals.
Chapter 22 Solutions
CAMPBELL BIOLOGY:CONCEPTS... >CUSTOM<
Ch. 22 - Complete the following concept map to review some...Ch. 22 - Label the parts of the human respiratory system.Ch. 22 - Prob. 3TYKCh. 22 - Countercurrent gas exchange in the gills of a fish...Ch. 22 - Prob. 5TYKCh. 22 - Prob. 6TYKCh. 22 - Prob. 7TYKCh. 22 - Prob. 8TYKCh. 22 - Prob. 9TYKCh. 22 - What are two advantages of breathing air, compared...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- EVOLUTION LINK Aquatic mammals such as whales and dolphins use lungs rather than gills for gas exchange. Propose a hypothesis to explain why.arrow_forwardIn______, gas exchange occurs at the body surface and gas is distributed by diffusion alone. a. earthworm c. frogs b. flatworms d. insectsarrow_forwardSharks and bony fishes approach or achieve neutral buoyancy in different ways. Describe the methods evolved in each group. Why must a teleost fish adjust the gas volume in its swim blad-der when it swims upward or downward? How is gas volume adjusted?arrow_forward
- Which of the following is NOT a feature of a gas-exchange organ in animals? A. low surface area for gas exchange B. moist C. thin, delicate structure D. extensive blood flowarrow_forwardExplain some structural and functional features that are common to all gas-exchange surfaces in animals.arrow_forwardDescribe 2 factors that contribute to the efficiency of gas exchange in fish gills. Why are fish gills the most efficient of all respiratory organs?arrow_forward
- Compare and contrast the gas-exchange mechanismsof hydras, earthworms, insects, aquatic vertebrates, andterrestrial vertebrates.arrow_forwardCan you answer all the parts to this question regarding fish (please type the answer) Mammals have dead end sacs called “alveoli” and don’t have the super efficient countercurrent exchange system seen in fish. Why do you think countercurrent exchange is necessary for fish? (hint: think about the difference between where most mammals and fish live).arrow_forwardCompare the two types of gas exchange systems in invertebrates. Based on your observation of the tracheal system of an aquatic insect: mosquito wriggler) & book lung systems (in invertebrates: spider (Araneae), explain how these systems are similar and how they differ from one another. (i.e. structures involved & relation to circulatory system). In cockroach, do the spiracles occur in pairs? What do you think happens if you block oxygen from coming into the body and prevent carbon dioxide from leaving?arrow_forward
- Discuss how the transition from water to land of vertebrates gradually changed the respiratory system that even allowed most birds to fly in high altitudes without experiencing hypoxia.arrow_forwardHow does the countercurrent exchange system increase the efficiency of gas exchange between a fish’s gills and blood?arrow_forwardInteractions between the cardiovascular and respiratory system provide oxygen to the body.a. Describe the path of blood through the heart, including arteries and veins. Start at the blood entering the heart from the body. Indicate when blood is oxygenated and deoxygenated.b. Oxygen is transported by hemoglobin. Describe how pH affects the deposition of oxygen in tissues c. What are two sources of oxygen stores in the body to allow for rapid use when undergoing physical exertion? d. Which chamber of the heart is the most muscular, and why?arrow_forward
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