Answer:
Physiological barriers:
A physiological barrier is a sort of barrier that keeps germs and pathogens out of the human body.
Tears, saliva, skin, the stomach's acidic pH, and bile in the intestine all are examples of physiological barriers.
An innate immune system acts as a physiological barrier.
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Answers & Comments
Answer:
Physiological barriers:
A physiological barrier is a sort of barrier that keeps germs and pathogens out of the human body.
Tears, saliva, skin, the stomach's acidic pH, and bile in the intestine all are examples of physiological barriers.
An innate immune system acts as a physiological barrier.