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Question & Answer
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It creates an acidic environment that can kill many pathogens.
It makes the skin slippery, preventing any germs from sticking.
It serves as food for the bacteria, which keeps them healthy.
It helps her skin absorb more sunlight, boosting her immune system.
Understanding the Answer
Let's break down why this is correct
The oily skin secret, sebum, is slightly acidic. Other options are incorrect because Some people think oil keeps germs from sticking because it is slippery; A misconception is that skin oil feeds bacteria.
Key Concepts
Barriers to Pathogens
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Deep Dive: Barriers to Pathogens
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Definition
Barriers to Pathogens refer to the various defenses in the body that prevent harmful microorganisms from entering and causing infection. These barriers include mucus, skin oils, and other physical and chemical defenses that help protect against pathogens, contributing to the body's innate immune response.
Topic Definition
Barriers to Pathogens refer to the various defenses in the body that prevent harmful microorganisms from entering and causing infection. These barriers include mucus, skin oils, and other physical and chemical defenses that help protect against pathogens, contributing to the body's innate immune response.
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