BIO 102 General Biology II Updated Edition (Tidewater Community College)
3rd Edition
ISBN: 9781259614064
Author: Tidewater Community College
Publisher: MCG CUSTOM
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Question
Chapter 31, Problem 18WIO
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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How does the concept of partial pressure explain the diffusion of oxygen into our blood stream? Why does this become more difficult at high altitudes?
Chapter 31 Solutions
BIO 102 General Biology II Updated Edition (Tidewater Community College)
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 - Prob. 10WIOCh. 31 - How does blood transport most CO2? In what other...Ch. 31 - People who suffer from claustrophobia are afraid...Ch. 31 - Prob. 13WIOCh. 31 - Prob. 14WIOCh. 31 - Prob. 15WIOCh. 31 - Prob. 16WIOCh. 31 - Prob. 17WIOCh. 31 - Prob. 18WIOCh. 31 - How are the lungs similar to the stomata of...Ch. 31 - Prob. 20WIOCh. 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_forwardIn a study of O2 uptake by muscle at high altitude, a physiologist prepares an atmosphere consisting of 79 mole % N2, 17 mole % 16O2, and 4.0 mole % 18O2. (The isotope 18O will be measured to determine O2 uptake.) The total pressure is 0.75 atm to simulate high altitude. Calculate the mole fraction and partial pressure of 18O2 in the mixture.arrow_forward
- If the volume of breath of a person is 450mL, how much of it is actively participating in the exchange of O2 and CO2?arrow_forwardWhy do you think cold-blooded animals, like a goldfish, change their breathing rate when the surrounding temperature changes?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
- Among 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_forwardAnaerobic respiration involves exchange of gases between organisms and their environment. True or False?arrow_forward2,3-bisphosphoglycerate (BPG) is a negative allosteric regulator of hemoglobin that is produced in red blood cells. Normally, red blood cell levels of BPG are 5 mmol/L, yielding curve 2. Individuals acclimated to high altitudes can have BPG levels of 8 mmol/L to optimize their oxygen utilization. Saturation 2 3 S Which curve represents hemoglobin of someone living at normal altitudes? 1 2 Pos (mm Hg) 3 None of the answers are correct 2 and 3arrow_forward
- During 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_forwardWhat happens to pCO2 levels as the disease (Idiopathic pulmonary fibrosis) progresses, and what would the teeter totter look like in this situation?CO2+ H2O ⇌ H2CO3 ⇌ H++ HCO3−arrow_forwardDiscuss 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_forward
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