What is adaptive (specific) immune response? How does it differ from Innate (nonspecific) immune response?

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
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**Question:** What is adaptive (specific) immune response? How does it differ from innate (nonspecific) immune response?

**Explanation:**

This question is focused on understanding the differences between the adaptive (specific) immune response and the innate (nonspecific) immune response.

1. **Adaptive (Specific) Immune Response:**
   - Develops over time and is specific to particular pathogens.
   - Involves lymphocytes (B cells and T cells) that recognize specific antigens.
   - Has memory, allowing for faster and more efficient responses to previously encountered pathogens.

2. **Innate (Nonspecific) Immune Response:**
   - Present from birth and provides immediate, non-specific protection.
   - Includes barriers like the skin, as well as immune cells like macrophages and neutrophils.
   - Does not have memory of past infections, reacting in the same manner to recurring pathogens.

Understanding these differences is crucial for comprehending how the body defends itself against infections.
Transcribed Image Text:**Question:** What is adaptive (specific) immune response? How does it differ from innate (nonspecific) immune response? **Explanation:** This question is focused on understanding the differences between the adaptive (specific) immune response and the innate (nonspecific) immune response. 1. **Adaptive (Specific) Immune Response:** - Develops over time and is specific to particular pathogens. - Involves lymphocytes (B cells and T cells) that recognize specific antigens. - Has memory, allowing for faster and more efficient responses to previously encountered pathogens. 2. **Innate (Nonspecific) Immune Response:** - Present from birth and provides immediate, non-specific protection. - Includes barriers like the skin, as well as immune cells like macrophages and neutrophils. - Does not have memory of past infections, reacting in the same manner to recurring pathogens. Understanding these differences is crucial for comprehending how the body defends itself against infections.
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