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Loveth Omini Loveth Omini
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3 years ago
 Place your response to this activity below. You will be marked according to your explanation of the body’s response to the two given situations. You must include references to vasoconstriction, vasodilation, countercurrent heat exchange, and peripheral heat loss.

Thermoregulation is the term used when biological systems attempt to maintain temperature. After watching the previous animations and reading the textbook, prepare a summary table. Outline the body’s thermoregulatory response to

•   an increase in internal temperature due to exertion
•   a colder external temperature than body temperature

Explain how peripheral heat loss, selective vasoconstriction, vasodilation, and countercurrent heat exchange are involved in each circumstance.

    Increased temperature (body)  due to exertion   T (body) > T (environment)
Peripheral heat loss      
Vasoconstriction/vasodilation      
Countercurrent exchange
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wrote...
3 years ago
Hi Loveth Omini

Here's what I found
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wrote...
2 years ago
https://biology-forums.com/index.php?topic=29933.7#msg5334849 Slight Smile
wrote...
2 years ago
thank you
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2 years ago
thank you
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2 years ago
thank you
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2 years ago
Thank you
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2 years ago
thank you
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2 years ago
thank you
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A year ago
Peripheral heat loss is regulated by controlling blood flow to specific regions of the body surface, which alters surface temperature

Vasoconstriction is the shrinking of blood vessels and vasodilation is the expansion of blood vessels so the skin can alter an organism's exchange of heat with the environment.

Countercurrent heat exchanger is an arrangement of blood vessels in which heat flows from warmer to cooler blood, usually reducing heat loss.
Posted by Semantha Lorez
wrote...
7 months ago
Thank you so much
wrote...
7 months ago
TY :)
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