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When a fair-skinned person blushes, why does their skin turn red?

When a fair-skinned person blushes, why does their skin turn red?

Human Anatomy & Physiology (11th Edition)
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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When a fair-skinned person blushes, why does their skin turn red? Select one: O a. the arterio-venous anastomoses in the skin are allowing the blood to bypass the dermal vessels O b. there is an increase in the number of melanocytes in the skin O c. increased heat causes the skin to turn red d. e. the blood supply to the skin increases sympathetic innervation to the blood vessels causes them to constrict
Transcribed Image Text:When a fair-skinned person blushes, why does their skin turn red? Select one: O a. the arterio-venous anastomoses in the skin are allowing the blood to bypass the dermal vessels O b. there is an increase in the number of melanocytes in the skin O c. increased heat causes the skin to turn red d. e. the blood supply to the skin increases sympathetic innervation to the blood vessels causes them to constrict
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Cutaneous circulation refers to the blood supply to the skin. The skin, when compared with other organs of the body is not that metabolically active and has very less energy requirements. Hence, the cutaneous blood supply is certainly distinct when compared with the blood supply to other organs of the body.

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