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Which of the following acts as a physiological barrier to the entry of microorganisms into the human body? -

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Question

Which of the following acts as a physiological barrier to the entry of microorganisms into the human body?

Options

  • Tears in eyes

  • Monocytes

  • Skin

  • Epithelium of urogenital tract

MCQ

Solution

Tears in eyes

Explanation:

Tears in the eyes, saliva in the lips, and HCI in the stomach are all physiological barriers against microorganisms entering the human body.

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