asked 75.9k views
0 votes
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

1 Answer

7 votes

Answer:

B. Immune and Digestive

Hope this helps :)

answered
User Colin Pear
by
8.3k points
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