cristinarodulfo20 cristinarodulfo20

10-06-2020
Biology

contestada

The vaccine in a flu shot contains weakened flu viruses. How does a flu shot
work with the immune system?
O A. It delivers antibodies to the muscles.
B. It delivers antibiotics.
C. It activates macrophages.
D. It activates the production of memory cells.

Respuesta :

mlcaple13 mlcaple13

10-06-2020

I believe the answer is B

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