Question

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Describe about the defence system of the body from diseases. In detail.

Answer 1

Defence system of the body:-

• The defence system of the body is the ability to defend itself against disease-causing organisms.
• Everyday our body comes in contact with several pathogens, but only a few results into diseases.
• That's because our body has the ability to release antibodies against these pathogens and protects the body against disease.
• This defence mechanism is called immunity.
• There are two major types of immunity:
• Innate Immunity or Natural or Non-specific Immunity.
• Acquired Immunity or Adaptive Immunity.

Extra info (you can include if you wanna)

Innate Immunity

• This type of immunity is present in an organism by birth.
• This is activated immediately when the pathogen attacks and includes certain barriers and defence mechanisms that keep foreign particles out of the body.
• It is a long-term immunity in which our body produces the antibodies on its own.

Acquired Immunity

• This type of immunity isn't present by birth.
• The ability of the immune system is to adapt itself to disease and to generate pathogen-specific immunity.
• Once a body gets used to these pathogens, antibodies are ready to attack them for the second time and are known as naturally acquired immunity.

Hope this helps!!

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