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EBK HUMAN ANATOMY
9th Edition
ISBN: 8220103631327
Author: Nath
Publisher: PEARSON
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Question
Chapter 20, Problem 1CT
Summary Introduction
To analyze:
The reason that athletes often move to elevations higher than those, at which they will compete, several months before a competition.
Introduction:
Red blood cells (RBCs) play an important role in the body of an organism. They carry oxygen from lungs to different tissues. RBC is produced in red bone marrow and each has a lifespan of 120 days. The level of hemoglobin or number of RBCs determines the oxygen transport to the tissues. Hemoglobin is a globular protein, which contains two alpha chains, two beta chains, and a nonprotein pigment called heme. There are four heme units in one hemoglobin molecule and each heme unit can hold an iron, which binds to an oxygen molecule.
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Chapter 20 Solutions
EBK HUMAN ANATOMY
Ch. 20 - The five figures to the right are labeled a...Ch. 20 - Prob. 2RFTCh. 20 - Prob. 3RFTCh. 20 - The most abundant proteins in blood are (a)...Ch. 20 - 5. The major classes of white blood cells...Ch. 20 - Prob. 6RFTCh. 20 - Prob. 7RFTCh. 20 - Prob. 8RFTCh. 20 - Prob. 9RFTCh. 20 - Prob. 10RFT
Ch. 20 - 11. Platelets are
(a) large cells that lack a...Ch. 20 - Prob. 1RCCh. 20 - Prob. 2RCCh. 20 - Prob. 3RCCh. 20 - Prob. 4RCCh. 20 - Prob. 5RCCh. 20 - What is the fate of megakaryocytes?Ch. 20 - Prob. 7RCCh. 20 - Prob. 8RCCh. 20 - Prob. 1CTCh. 20 - 2. Mononucleosis is a disease that can cause an...
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- Acclimatization is adaptations in a lab-controlled setting. True False Exercising and training at altitude provides benefits for performance at sea-level. True Falsearrow_forwardWhy were the finishing times of endurance events rather slow at the 1968 Olympics, held in 2,200-meter-high Mexico City?arrow_forwardDo athletes want a higher or lower VO2max? Explainarrow_forward
- Which activity would be more likely to create an oxygen debt in an individual who regularly exercises: swimming laps or lifting weights?arrow_forwardDeliberately shifting equilibrium in the body provides some advantages. Explain why some athletes train at high altitudes.arrow_forwardDescribe the changes in barometric pressure, PO2, and air density with increasing altitude. Include an explanation of why maximal aerobic power decreases at altitude and what effect this has on performance in long-distance races. What recommendations would you have for a long-distance runner about training at altitude? What benefits and limitations are associated with altitude training? How would you recommend the athlete work around the limitations?arrow_forward
- A well-conditioned athlete shows fewer changes in his or her circulation and breathing in response to exercise than does someone in poor condition. Why?arrow_forwardWhy would an increase in heart rate, breathing rate and usually an increase in perspiration accompany exercise?arrow_forwardWHAT ARE THE BENEFITS OF DIZZINESS THAT ARE ASSOCIATED WITH ALTITUDE SICKNESS? PROVIDE AN ELABORATED ANSWERarrow_forward
- Illustrate the feedback loop of Hypothermia . Make sure to include the stimulus, receptors, control center, effectors and response. Refer to the picture given.arrow_forwardWhy is it not possible for a person to sprint for 5 km?arrow_forwardA person who lives close to sea level and usually goes jogging in the morning. When that person runs at a place like Denver with high elevation she notices she isn't able to run as fast up in Denver as she usually does at home. She knows it is colder and there is less oxygen at high elevation than there is at his home. Why she feel like she didn't have the energy to keep up with her usual pace. a. her body wasnt able to begin glycolysis due to lack of oxygen b. her body was producing less ATP due to lack of oxygen c. her body wasnt getting enough external heat inputarrow_forward
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