Biology
11th Edition
ISBN: 9781259188138
Author: Peter H Raven, George B Johnson Professor, Kenneth A. Mason Dr. Ph.D., Jonathan Losos Dr., Susan Singer
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 48, Problem 6A
During exercise more oxygen is delivered to the muscles because
a. active muscles produce more CO2, lowering the pH of the blood.
b. active muscles produce heat.
c. Both a and b are correct.
d. Neither a nor b is correct.
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Chapter 48 Solutions
Biology
Ch. 48 - Prob. 1UCh. 48 - Increased efficiency of gas exchange in...Ch. 48 - Prob. 3UCh. 48 - Prob. 4UCh. 48 - Ficks Law of Diffusion states the rate of...Ch. 48 - Prob. 6UCh. 48 - Prob. 7UCh. 48 - Prob. 8UCh. 48 - When you take a deep breath, your stomach moves...Ch. 48 - Marine mammals are able to hold their breath for...
Ch. 48 - Countercurrent flow systems do not occur in lungs...Ch. 48 - Respiratory organs of invertebrates and...Ch. 48 - Prob. 5ACh. 48 - During exercise more oxygen is delivered to the...Ch. 48 - Compare the operation and efficiency of fish gills...Ch. 48 - What happens when, during exercise, the oxygen...Ch. 48 - Explain how bacteria, archaea, protists, and many...
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- Shorty McFleet noticed that his rate of respiration was elevated after running a 100- meter race (dash), but not as elevated after running slowly for much longer distance. How would you explain this?arrow_forwardOxygen in our blood is transported by a protein named: A. haemoglobin B. keratin C. collagen D. myoglobinarrow_forwardExplain the circumstances that caused physiologists to reevaluate their conclusions that humans could not climb Mount Everest without oxygen.arrow_forward
- The 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_forwardDuring inhalation, ________. a. the thoracic cavity expands d. the diaphragm relaxes c. atmospheric pressure declines d. the lungs deflatearrow_forwardWhy does your breathing rate increase when you exercise? What happens to your heart rate at the same timeand why?arrow_forward
- One of the primary reasons that one individual is faster in a 50-meter sprint than another is a. a greater number of muscle fibers of smaller diameter. b. more oxidative fibers in the lower limb muscles. c. an enhanced ability to deliver oxygen to the muscles. d. a greater percentage of fast-twitch fibers in the lower limb muscles.arrow_forwardWhat happens if the body's cellular respiration system malfunctions? Explain your answer.arrow_forwardA patient who breathes very slowly when wearing a low Flow of oxygen device would have: A. An increased concentration of oxygen in the lungs B. A decreased concentration of oxygen in the lungs C. There is no effect on oxygen concentration in the lungs D. There is a minimal if no effect on oxygen concentration in the lungsarrow_forward
- When considering the movement of air into the balloons (representing the lungs), which of the following would you have to do? a. pull down on the diaphragm mimicking the contraction of the diaphragm in inspiration b. push up the diaphragm mimicking the relaxation of the diaphragm in expiration c. push up on the diaphragm mimicking the contraction of the diaphragm in expirationarrow_forwardA person with a high Vo2maxa. needs less oxygen than someone with a low Vo2max.b. has stronger muscles than someone with a low Vo2max.c. is less likely to show muscle tetanus than someone with a low Vo2max.d. has fewer muscle mitochondria than someone with a low Vo2max.e. experiences less muscle fatigue during exercise than someone with a lowVo2max.arrow_forwardWhat is the difference between respiration and breathing; please write an essay.How much does the sky weigh?What makes a rainbow?Why don't birds get electrocuted when they land on an electric wire?That is all, thank you!arrow_forward
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