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1. which of the following changes would reduce heat loss via convection? a. increasing subcutaneous fat...

1. which of the following changes would reduce heat loss via convection?

a. increasing subcutaneous fat

b. none

c. standing still

d. redirecting blood flow from the superficial to the deep dermis

e. all

Science   Anatomy-And-Physiology   
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Answer #1

Correct answer is option d.

Explanation- convection is the heat transfer which occur due to movement of fluids. As the fluid (in this case blood) flows, it carries heat along with it. So as the blood will be redirected towards deeper dermis, lesser blood carrying heat will reach the superficial layers of skin and thus less heat loss will be there.

Other two option are incorrect because body posture and subcutaneous fat has no role in heat loss by convection.

Heat loss by convection only depends upon circulating fluid. Higher the circulation of blood towards the surface, higher will be the heat loss

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