Question

yooho
Explain:-
• Innate immunity,
• Acquired immunity,
• Passive immunity,
• Active immunity, and
• Auto immunity.​

Answer 1

$\Large{\underline{\underline{\tt{\red{ Happy \: New \: Year!!}}}}}$

Answer 2

Answer:

Inate Immunity- Innate immunity refers to nonspecific defense mechanisms that come into play immediately or within hours of an antigen's appearance in the body. These mechanisms include physical barriers such as skin, chemicals in the blood, and immune system cells that attack foreign cells in the body.

Acquired Immunity-The adaptive immune system, also referred as the acquired immune system, is a subsystem of the immune system that is composed of specialized, systemic cells and processes that eliminates pathogens by preventing their growth. The acquired immune system is one of the two main immunity strategies found in vertebrates.

Passive Immunity- Passive immunity is provided when a person is given antibodies to a disease rather than producing them through his or her own immune system. A newborn baby acquires passive immunity from its mother through the placenta.

Active immunity- Active immunity refers to the process of exposing the body to an antigen to generate an adaptive immune response: the response takes days/weeks to develop but may be long lasting—even lifelong. Active immunity is usually classified as natural or acquired.

Auto immunity- Autoimmunity is the system of immune responses of an organism against its own healthy cells and tissues. Any disease that results from such an aberrant immune response is termed an "autoimmune disease".

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