Distinguish between innate and adaptive immune system ?
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ChatGPT
Aug 1
The innate immune system is the body's first line of defense against pathogens and other foreign invaders. It is a non-specific response that is always present and ready to act quickly to protect the body. The innate immune system includes physical barriers such as the skin and mucous membranes, as well as cells like macrophages and neutrophils that can engulf and destroy pathogens.
The adaptive immune system, on the other hand, is a more specific and targeted response that develops over time as the body is exposed to different pathogens. It involves the production of antibodies and the activation of T cells that can recognize and target specific pathogens. The adaptive immune system also has a memory component, which allows the body to remember and respond more quickly to pathogens it has encountered before.
In summary, the innate immune system provides immediate, non-specific protection against pathogens, while the adaptive immune system provides a more targeted and specific response that develops over time.
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Google Gemini AI
Aug 1
Innate Immune System
- Natural response: Present from birth, non-specific to any particular pathogen - Role: Defends against a wide range of pathogens and injuries - Components: - Physical barriers (skin, mucous membranes) - Chemical factors (antimicrobial peptides, interferons) - Phagocytes (macrophages, neutrophils) - Natural killer (NK) cells - Characteristics: - Rapid response (within hours) - Non-specific - Does not confer immunological memory
Adaptive Immune System
- Acquired response: Develops over time after exposure to specific pathogens - Role: Provides highly specific protection against specific pathogens - Components: - Lymphocytes (B cells, T cells) - Antibodies - Characteristics: - Slow response (takes days to develop) - Specific to particular pathogens - Confers immunological memory (provides long-term protection)
Key Differences
| Feature | Innate Immune System | Adaptive Immune System | |---|---|---| | Response time | Rapid (hours) | Slow (days) | | Specificity | Non-specific | Highly specific | | Pathogen recognition | General features | Specific molecules (antigens) | | Main cells | Phagocytes, NK cells | Lymphocytes | | Memory | No | Yes | | Induced by | Infection or injury | Specific antigens | | Effectiveness | Provides immediate broad-spectrum defense | Provides highly targeted protection against specific pathogens |