NEET 2008
- Exam
- NEET
- Year
- 2008
- Subject
- Zoology
- Chapter
- Human Health and Diseases
NEET 2008 · Zoology · Human Health and Diseases
To which type of barriers under innate immunity, do the saliva in...
To which type of barriers under innate immunity, do the saliva in the mouth and the tears from the eyes, belong?
Options
- APhysical barriers
- BCytokine barriers
- CCellular barriers
- DPhysiological barriers
Correct answer
D. Physiological barriers
Step-by-step solution
Acid in stomach, saliva in mouth, tears from eyes all prevent microbial growth. They are part of innate immunity and grouped under physiological barriers.