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Question & Answer
Choose the Best Answer
It provides a physical barrier to block pathogens.
It produces antibodies to fight infections.
It actively destroys pathogens once they enter the body.
It helps in the digestion of pathogens.
Understanding the Answer
Let's break down why this is correct
The skin is the first layer the body meets; it forms a solid wall that stops germs from getting inside. Other options are incorrect because Antibodies are made by special immune cells, not by the skin; The skin does not eat or kill germs once they are inside.
Key Concepts
Innate Immune Defenses
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Deep Dive: Innate Immune Defenses
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Definition
The integumentary system serves as the first line of defense against pathogens, comprising skin, hair, feathers, and scales. These structures act as innate immune defenses, protecting animals from injuries, diseases, and parasites. Understanding these defenses is crucial in comprehending how the body prevents sickness and maintains health.
Topic Definition
The integumentary system serves as the first line of defense against pathogens, comprising skin, hair, feathers, and scales. These structures act as innate immune defenses, protecting animals from injuries, diseases, and parasites. Understanding these defenses is crucial in comprehending how the body prevents sickness and maintains health.
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