immune response Flashcards

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1
Q

what is a pathogen?

A

a microorganism that causes disease

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2
Q

what is a disease?

A

any condition that impairs the normal functioning of an organism.
==> disease can be infectious, non-infectious, acute or chronic

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3
Q

how does bacteria make us ill?

A
  • divides rapidly into 2 by binary fission
  • this may produce toxins
  • which sometimes directly damages cells
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4
Q

how do viruses make us ill?

A
  • take over body cells
  • live and reproduce inside the cell which causes damage and destruction
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5
Q
A
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