Define immunity. Differentiate between innate and acquired immunity. Enumerate the factors influencing the development of immunity in an individual.

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Immunity refers to the body's ability to resist and defend against harmful microorganisms and other foreign substances that can cause diseases. It involves complex interactions between various components of the immune system to recognize, neutralize, and eliminate threats while maintaining a memory of past encounters for faster and stronger responses in the future.

Innate Immunity:

• Definition: Innate immunity, also known as natural or non-specific immunity, is the first line of defense against pathogens. It is present from birth and provides immediate protection.
• Characteristics: It includes physical barriers like the skin and mucous membranes, as well as cellular components like neutrophils, macrophages, and natural killer cells. Innate immunity responds rapidly to a wide range of pathogens but lacks specificity.
• Specificity: Innate immunity does not distinguish between different pathogens or develop immunological memory.

Acquired Immunity:

• Definition: Acquired immunity, also called adaptive or specific immunity, develops over time in response to exposure _____ _______ _______ ______ _______ ____.
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Degree : BACHELOR DEGREE PROGRAMMES
Course Name : Post Basic Bachelor of Science in Nursing
Course Code : B.Sc.N.(PB)
Subject Name : APPLIED SEIENCES
Subject Code : BNS 102
Year : 2022