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Which of the following is one of the six principal functions of the skin?
A
Synthesis of digestive enzymes
B
Production of red blood cells
C
Regulation of blood glucose levels
D
Protection against pathogens
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1
Understand the six principal functions of the skin: Protection, Sensation, Thermoregulation, Excretion, Vitamin D synthesis, and Storage of lipids.
Analyze the options provided in the question and compare them to the principal functions of the skin.
Eliminate options that are unrelated to the skin's functions, such as 'Synthesis of digestive enzymes' (a function of the digestive system) and 'Production of red blood cells' (a function of the bone marrow).
Consider 'Regulation of blood glucose levels,' which is primarily managed by the endocrine system (e.g., pancreas and liver), not the skin.
Identify 'Protection against pathogens' as the correct answer, as it aligns with the skin's role as a physical and chemical barrier to prevent infection and maintain homeostasis.