am20i9
am20i9 am20i9
  • 20-01-2021
  • Biology
contestada

In the 1980s the world suddenly became aware of the importance of the immune system, why ?

Respuesta :

jasmin4853
jasmin4853 jasmin4853
  • 22-01-2021

Answer:

then found out if there immune system is weak then they can get sick easily

Explanation:

.

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