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Multiple Choice
Which of the following is not a function of the blood vessels of the dermis?
A
Removing waste products from the skin
B
Regulating body temperature
C
Supplying nutrients to the skin
D
Facilitating gas exchange in the lungs
Verified step by step guidance
1
Understand the role of blood vessels in the dermis: Blood vessels in the dermis are primarily responsible for supplying nutrients and oxygen to the skin, removing waste products, and helping regulate body temperature through vasodilation and vasoconstriction.
Identify the functions listed in the problem: The options given are removing waste products from the skin, regulating body temperature, supplying nutrients to the skin, and facilitating gas exchange in the lungs.
Analyze each function: Consider whether each function is typically associated with the blood vessels in the dermis. Removing waste products, regulating temperature, and supplying nutrients are all functions of dermal blood vessels.
Consider the function of facilitating gas exchange: Gas exchange is a process that occurs in the lungs, specifically in the alveoli, where oxygen is exchanged for carbon dioxide in the blood. This is not a function of the blood vessels in the dermis.
Conclude which function is not related to dermal blood vessels: Based on the analysis, facilitating gas exchange in the lungs is not a function of the blood vessels in the dermis, as this process is specific to the respiratory system.