Which one of the following acts as a physiological barrier to the entry of micro-organisms in the human body?

Tears

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Skin

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Lymphocyte

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Monocyte

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Solution

The correct option is A Tears
Our body has several defences:

Skin is a physical barrier

Lymphocyte and monocyte are forms of cellular barriers

Tears are a physiological barrier

Suggest Corrections

Similar questions

Which one of the following is a physiological barrier to the entry of microorganisms?

Assertion: pH of certain secretions in the body prevent the growth of many microorganisms.

Reason: It acts as a type of physical barrier which prevents the entry of microorganisms.

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