andrea5081 andrea5081

Today at 5:33 PM
Biology

Answered

Stomach acids killing pathogens is the
and systems working together
A.Respiratory and Endocrine
B.Immune and Digestive
C.Digestive and Excretory
D.Cardiovascular & Excretory

Answer :

Аноним Аноним

Today at 5:38 PM

Answer:

B. Immune and Digestive

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