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Introduction to Body Defenses and Barrier Defenses Video
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Video at a Glance
- The two categories of bodily defenses are innate and adaptive.
- Innate defenses are nonspecific and work against all pathogens and chemical agents, while adaptive defenses are a specific response to recognized antigens.
- The two types of innate defenses are barrier and immune.
- Barrier defenses include the skin and mucosal membranes.
- Normal gut flora is essential for protection against pathogens and infections.
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