asked 86.8k views
21 votes
Stomach acid is which kind of barrier to most pathogens that enter the digestive system?

physical

chemical

asked
User JSBob
by
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2 Answers

6 votes
The correct answer is physical
answered
User Bijan
by
8.8k points
6 votes
The correct answer is chemical.
answered
User Kellen Stuart
by
8.7k points

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