A light-skinned person may appear pink when they become overheated. The best explanation for this is____ A) Blood flow has increased to the sweat glands in order to increase their metabolic activity. B) The blood vessels of the dermis have undergone vasodilatation bringing a greater volume of the blood to the skin. C) The melanocytes are responding to the heat of the sun and change the appearance of their skin with increased production. D) The heart is pumping faster because the person was probably exercising.
A light-skinned person may appear pink when they become overheated. The best explanation for this is____ A) Blood flow has increased to the sweat glands in order to increase their metabolic activity. B) The blood vessels of the dermis have undergone vasodilatation bringing a greater volume of the blood to the skin. C) The melanocytes are responding to the heat of the sun and change the appearance of their skin with increased production. D) The heart is pumping faster because the person was probably exercising.
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Question 47
A light-skinned person may appear pink when they become overheated. The best explanation for this is____
- A) Blood flow has increased to the sweat glands in order to increase their
metabolic activity. - B) The blood vessels of the dermis have undergone vasodilatation bringing a greater volume of the blood to the skin.
- C) The melanocytes are responding to the heat of the sun and change the appearance of their skin with increased production.
- D) The heart is pumping faster because the person was probably exercising.
Please give a quick explanation of each one correct & incorrect. thanks
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