BIOLOGY
4th Edition
ISBN: 9781266739606
Author: Hoefnagels
Publisher: MCG
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Chapter 31, Problem 19WIO
Summary Introduction
To describe:
The reasons for the times of endurance events at
Concept introduction:
The effect of high altitude on the environment is low levels of atmospheric oxygen, temperature, humidity and pressure with intense sunshine and cosmic radiations.
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The concentration of O2 in the atmosphere declines with increasingelevation. Why do you think the times of endurance events at the1968 Olympics, held in Mexico City (elevation: 2200 m), wererelatively slow?
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When we change altitude, during the next few days, the body responds by adjusting Hb cooperativity. This can be accomplished by changing the concentration of 2,3-BPG in the blood.
After moving from a low altitude to a higher altitude, does 2,3,-BPG increase or decrease? Explain how this affects oxygen transport capacity
Chapter 31 Solutions
BIOLOGY
Ch. 31.1 - Prob. 1MCCh. 31.1 - Prob. 2MCCh. 31.1 - Differentiate between aerobic cellular...Ch. 31.1 - An earthworm prefers moist soil. Why does this...Ch. 31.1 - Prob. 5MCCh. 31.2 - Prob. 1MCCh. 31.2 - Prob. 2MCCh. 31.2 - Which structure prevents swallowed food from...Ch. 31.2 - Describe the relationships among the trachea,...Ch. 31.3 - What is the relationship between the volume of the...
Ch. 31.3 - Prob. 2MCCh. 31.3 - Prob. 3MCCh. 31.4 - Prob. 1MCCh. 31.4 - Prob. 2MCCh. 31.4 - Prob. 3MCCh. 31.4 - Prob. 4MCCh. 31.5 - Prob. 1MCCh. 31.5 - Prob. 2MCCh. 31 - Prob. 1MCQCh. 31 - Prob. 2MCQCh. 31 - Prob. 3MCQCh. 31 - Prob. 4MCQCh. 31 - Prob. 5MCQCh. 31 - Prob. 6MCQCh. 31 - Prob. 7MCQCh. 31 - Prob. 8MCQCh. 31 - Write a paragraph comparing four types of...Ch. 31 - Prob. 2WIOCh. 31 - Prob. 3WIOCh. 31 - Prob. 4WIOCh. 31 - How is air cleaned, warmed, and humidified before...Ch. 31 - Prob. 6WIOCh. 31 - Prob. 7WIOCh. 31 - Prob. 8WIOCh. 31 - Prob. 9WIOCh. 31 - Jumping into cold water may initiate the diving...Ch. 31 - Prob. 11WIOCh. 31 - How does blood transport most CO2? In what other...Ch. 31 - People who suffer from claustrophobia are afraid...Ch. 31 - Prob. 14WIOCh. 31 - Prob. 15WIOCh. 31 - Prob. 16WIOCh. 31 - Prob. 17WIOCh. 31 - Prob. 18WIOCh. 31 - Prob. 19WIOCh. 31 - How are the lungs similar to the stomata of...Ch. 31 - Prob. 1PITCh. 31 - Prob. 2PITCh. 31 - 3. Add terms to the concept map to explain the...
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Similar questions
- You bring your favorite soccer ball from your place of residence in Portland to your grandparent's house much higher on the mountain. When you arrive, you get the soccer ball out of your bag. Due to the change in atmospheric pressure, is the ball underinflated or overinflated? After 15 minutes of playing soccer, you are out of breath even though you are breathing rapidly to compensate for the low oxygen. Which of the options below is closest to the best possible oxyhemoglobin saturation you could hope for while you are visiting your grandparent? 55%,75%,95%?arrow_forwardWhy does altitude have almost no effect on an animal’s ability to rid itself of CO2 through gas exchange?arrow_forwardExplain why the gas values from the alveolar air to the blood change during pulmonary gas exchange. For example: Alveolar air for CO2 has a value of 40mmHg then when entering the blood shifts to 45mmHg. Why does this occur? I tried to calculate this by using Dalton’s law but I’m not Understanding.arrow_forward
- A patient’s oxygen saturation is tabulated below. You plan to use these data to plot a graph. Time (sec) 0 30 60 90 120 150 180 210 O2 Saturation (%) 93 93 91 90 95 97 98 95 What is the range of values you will use on the y-axis? Minimum: Maximumarrow_forwardChoose only one correct answer from all of these answers and explainarrow_forwardIf the volume of breath of a person is 450mL, how much of it is actively participating in the exchange of O2 and CO2?arrow_forward
- Why do you think cold-blooded animals, like a goldfish, change their breathing rate when the surrounding temperature changes?arrow_forwardAmong related species (e.g., vertebrates), there is often a positivecorrelation between the oxygen-carrying capacity of blood andthe height of the carbon dioxide equilibrium curve (the totalcarbon dioxide concentration at high CO2 partial pressures).Why?arrow_forwardArrange the following according to decreasing oxygen requirement. 1. crab 2. shark 3. clown fish 4. perch 5. hake Select one: O 12345 O 34512 O 54321 O 21543arrow_forward
- Anaerobic respiration involves exchange of gases between organisms and their environment. True or False?arrow_forwardDuring high-intensity exercise, why does arterial Pco2 decrease beyond its usual set point? Arterial Po₂ is reduced during high intensity exercise, which stimulates chemoreceptors to increase ventilation beyond current CO2 production. During high intensity exercise, the blood becomes more alkaline, which leads to more CO2 being converted to H* and bicarbonate. Anaerobic metabolism does not produce CO₂. Acidic by-products of anaerobic metabolism decrease plasma pH, which stimulates central chemoreceptors to increase ventilation beyond current CO₂ production.arrow_forwardDuring strenuous exercise, the oxygen-hemoglobin dissociation curve shifts to the right. This rightward shift reflects an increase in the affinity of hemoglobin for oxygen and favors loading of O2 onto hemoglobin in the lungsarrow_forward
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