the immune system; Stefania Artigiani stefania.artigiani@libero.it
Annalisa Balanzoni a.balanzoni@virgilio.it Alessandra Bosia ventiene@libero.it;2/3/2006
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•——third line of
defence——> |
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•——comprises——> |
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•——comprises——> |
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•——if altered, leads to
——> |
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•——acts
through——> |
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•——second line of
defence——> |
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•——formed
by——> |
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•——first line of
defence——> |
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•——reacts
to——> |
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