include 2 references (in APA format). post should be at least 250 words.The references are not...

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include 2 references (in APA format). post should be at least 250 words.The references are not included in the word count
Briefly describe the three lines of defense used by the body to combat pathogens and give one example of each?

Sumita Mitra · Accepted Answer

1
Defense mechanism against Pathogens:
Pathogens is basically an infectious agent which is capable to produce diseases in our body. In simple language it is called as a germ.  include infectious agents like virus, bacteria protozoa or fungus. All these pathogens actually look for an opportunity to attack our immune system and cause diseases. Many become critical also and is life taking. To resist them, our body has got defense mechanism system and ways to keep us protected and healthy. The three lines of defense mechanism to combat the pathogens are as follows.
a) Physical and chemical barriers:

include 2 references (in APA format). post should be at least 250 words.The references are not included in the word count Briefly describe the three lines of defense used by the body to combat...

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