What is immunology?
Q: What is immunology?
A: Immunology is the study of the immune system in plants and animals.
Q: What is the immune system?
A: The immune system is a collection of organs, tissues, and cells that protect the body from infections by other living organisms.
Q: What does immunology deal with?
A: Immunology deals with the working of the immune system in health and diseases, and with malfunctions of the immune system.
Q: Are toll-like receptors found only in animals?
A: No, toll-like receptors are found in many different metazoans, both plants and animals.
Q: What is innate immunity?
A: Innate immunity is a type of immunity that is inherited in our genes and is fully working as soon as our tissues and organs are properly developed. It is triggered by toll-like receptors.
Q: What is adaptive immunity?
A: Adaptive immunity is a type of immunity that "remembers" previous infections. If the same infection occurs again, the reaction is much stronger and faster.
Q: Which type of immunity "confers a tremendous survival advantage"?
A: Adaptive immunity "confers a tremendous survival advantage" because it allows vertebrates to survive over a long lifetime in a pathogen-filled environment.