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FranInnate immunity is found in all multicellular organisms and is the first line of defense against pathogens. It includes physical barriers like the skin, as well as cellular components like macrophages and natural killer cells, and proteins like cytokines and complement proteins. Unlike adaptive immunity, innate immunity provides immediate, non-specific protection.
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Immunity that is genetically determined and present at birth is called?
Innate immunity.
What are 2 types of immunity?
The two types of immunity are innate immunity and adaptive immunity. Innate immunity is the body's first line of defense and includes physical barriers like skin, as well as immune cells that respond to general threats. Adaptive immunity is more specific and involves the production of antibodies and immune memory to target particular pathogens.
Which of the two types of immunity requires white blood cells?
Adaptive immunity requires white blood cells. These cells, including T cells and B cells, play a key role in recognizing and attacking specific pathogens to provide a targeted response to infections. Innate immunity, on the other hand, provides immediate, nonspecific defense mechanisms against a wide range of pathogens but does not require white blood cells for its function.
What is the difference between innate and adaptive defenses?
Innate defenses are the body's first line of defense against pathogens and are non-specific, meaning they target any foreign invader. Adaptive defenses are more specific and target particular pathogens, developing over time as the body is exposed to different threats. Innate defenses are always present and ready to act, while adaptive defenses take time to develop but provide long-lasting immunity.
What is immunity in the human body system?
Immunity is the ability of the body to resist and fight against infections and diseases. It involves a complex network of cells, tissues, and organs that work together to protect the body from harmful pathogens. Immunity can be innate (present from birth) or acquired through exposure to pathogens or vaccination.
