djbchaealilik
djbchaealilik
17-08-2016
Health
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what does immune system mean?
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tadiiee
tadiiee
17-08-2016
it is the organs and processes of the body that provide resistance to diseases and toxins
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pandamille
pandamille
17-08-2016
What does immune system mean?
The immune system is the set of the body's defense mechanisms. There are two types: innate and acquired.
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