BIOLOGY
12th Edition
ISBN: 9781260169614
Author: Raven
Publisher: RENT MCG
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Chapter 47, Problem 2A
Marine mammals are able to hold their breath for extended periods underwater because
a. unlike humans, they don’t hypoventilate.
b. partial pressure of carbon dioxide does not increase underwater.
c. myoglobin in muscle tissue provides an oxygen reserve.
d. the brains of marine mammals do not have receptors that respond to impulses initiated in the aortic and carotid bodies.
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Chapter 47 Solutions
BIOLOGY
Ch. 47.1 - Prob. 1LOCh. 47.1 - Prob. 2LOCh. 47.1 - Compare evolutionary strategies for maximizing gas...Ch. 47.2 - Prob. 1LOCh. 47.2 - Prob. 2LOCh. 47.3 - Prob. 1LOCh. 47.3 - Prob. 2LOCh. 47.3 - Describe the breathing cycle of birds.Ch. 47.4 - Prob. 1LOCh. 47.4 - Prob. 2LO
Ch. 47.4 - Prob. 3LOCh. 47.5 - Describe the structure of hemoglobin.Ch. 47.5 - Predict hemoglobins oxygen affinity in various...Ch. 47.5 - Prob. 3LOCh. 47 - Prob. 1DACh. 47 - Prob. 2DACh. 47 - Prob. 3DACh. 47 - Prob. 4DACh. 47 - For a given PO2, how does oxyhemoglobin saturation...Ch. 47 - Prob. 1IQCh. 47 - Prob. 2IQCh. 47 - Prob. 1UCh. 47 - Increased efficiency of gas exchange in...Ch. 47 - Prob. 3UCh. 47 - Prob. 4UCh. 47 - Ficks Law of Diffusion states the rate of...Ch. 47 - Prob. 6UCh. 47 - Prob. 7UCh. 47 - Prob. 8UCh. 47 - When you take a deep breath, your stomach moves...Ch. 47 - Marine mammals are able to hold their breath for...Ch. 47 - Countercurrent flow systems do not occur in lungs...Ch. 47 - Respiratory organs of invertebrates and...Ch. 47 - Prob. 5ACh. 47 - During exercise more oxygen is delivered to the...Ch. 47 - Compare the operation and efficiency of fish gills...Ch. 47 - What happens when, during exercise, the oxygen...Ch. 47 - Explain how bacteria, archaea, protists, and many...
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- 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).arrow_forwardIn which part of the mammalian respiratory system does gas exchange occur? A. bronchioles B. diaphragm C. alveoli D. tracheaarrow_forwardWhat do you think happens if you block oxygen from coming into the body and prevent carbon dioxide from leaving in the tracheal system of an insect?arrow_forward
- Write 2 paragraphs about what Are there any parts of the human body that get oxygen directly from the air and not from the blood?arrow_forwardWhy is the position of lung tissues within the body an advantage for terrestrial animals?arrow_forwardThe respiratory system_______. a. provides body tissues with oxygen b. provides body tissues with oxygen and carbon dioxide c. establishes how many breaths are taken per minute d. provides the body with carbon dioxidearrow_forward
- Figure 16.9 Which of the following statements about the human respiratory system is false? a. When we breathe in, air travels from the pharynx to the trachea. b. The bronchioles branch into bronchi. c. Alveolar ducts connect to alveolar sacs. d. Gas exchange between the lungs and blood takes place in the alveolus.arrow_forwardAll mammals breathe through the lungs, as with mammals that live in the sea such as whales. How does the whale breathe in water?arrow_forwardSome deep diving mammal compress their lungs to remove air. What is FALSE about this situation? A. Some whales have ribs with joints that help the compression. B. Removing air from lungs prevents lethal nitrogen bubbles (the bends). C. The animals store 02 in their blood and muscles during dives D. The air goes from their lungs into tiny spaces within their bones. Which is biggest? A. hemoglobin B. iron C. hemearrow_forward
- Describe the respiratory system of birds and how it allows oxygen-rich air to enter the lungs during both inhalation and exhalation.arrow_forwardWhy does altitude have almost no effect on an animal’s ability to rid itself of CO2 through gas exchange?arrow_forwardWhy do small animals breathe more rapidly than large animals?arrow_forward
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