Dolphins possess intra-abdominal testes surrounded by robust swimming muscles that could potentially be exposed to the core, or above core, body temperatures when the dolphin is exercising. In an experiment, a rectal probe housing a linear array of six copper- constantan thermocouples measured colonic temperatures simultaneously at the positions anterior to, within and posterior to the region of the colon flanked by the countercurrent heat exchanger (CCHE) in bottlenose dolphins before and after vigorous swimming. From the results (Figure 8).and based on your knowledge of CCHE explain how this is important for the intra-abdominal testes. Temperature (°C) 37.7 37.5- 37.3- 37.1 36.9 36.7 36.5 1 ■ Pre-swim Post-swim 2 3 4 5 6 Thermocouple position Figure 8

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
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Chapter1: The Human Body: An Orientation
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Dolphins possess intra-abdominal testes surrounded by robust swimming muscles that
could potentially be exposed to the core, or above core, body temperatures when the
dolphin is exercising. In an experiment, a rectal probe housing a linear array of six copper-
constantan thermocouples measured colonic temperatures simultaneously at the positions
anterior to, within and posterior to the region of the colon flanked by the countercurrent
heat exchanger (CCHE) in bottlenose dolphins before and after vigorous swimming.
From the results (Figure 8).and based on your knowledge of CCHE explain how this is
important for the intra-abdominal testes.
Temperature (°C)
C
37.7
37.5-
37.3
37.1
36.9
36.7
36.5
1
■ Pre-swim
Post-swim
2 3
4 5 6
Thermocouple position
Figure 8
Transcribed Image Text:Dolphins possess intra-abdominal testes surrounded by robust swimming muscles that could potentially be exposed to the core, or above core, body temperatures when the dolphin is exercising. In an experiment, a rectal probe housing a linear array of six copper- constantan thermocouples measured colonic temperatures simultaneously at the positions anterior to, within and posterior to the region of the colon flanked by the countercurrent heat exchanger (CCHE) in bottlenose dolphins before and after vigorous swimming. From the results (Figure 8).and based on your knowledge of CCHE explain how this is important for the intra-abdominal testes. Temperature (°C) C 37.7 37.5- 37.3 37.1 36.9 36.7 36.5 1 ■ Pre-swim Post-swim 2 3 4 5 6 Thermocouple position Figure 8
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