Jesse Carter, a student nurse, has been assigned to teach fourth-graders about hygiene. She decides to begin the teaching module with a short lecture on the skin. Which of the following facts will Jesse include while discussing the skin's protective and adaptive properties?
A. The skin regulates body temperature. Heat is stored in fat pads or released through sweating.
B. The skin protects against infection. Normal skin flora fights off the invasion of microorganisms that can enter the body and cause infection.
C. The skin is an organ of excretion. It removes a significant amount of metabolic wastes, which are the byproducts of cellular decomposition such as minerals and urea.
D. All of the above.
Answer: D. All of the above.
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