Biology, asked by nousheen77, 1 year ago

Which physiological barrier to the entry of microorganisms in human body

Answers

Answered by bharadwajasahana

Answer:

Which one of the following acts as a physiological barrier to the entry of microorganisms in human body? Sol: Physiological barriers to the entry of micro-organisms in human body are tears in eyes, saliva in mouth and HCl in stomach.

Explanation:

Answered by mindfulmaisel

EXPLANATION:

The physiological barriers that prevent the microorganisms in the body are the saliva from the mouth that has high amylase activity, tears from the eyes that has high salt content, the sweat from our body that is alkaline in the nature and the HCl that is secreted in the stomach.

it has a pH of about 2 and it is highly acidic in nature. These kill the microbes that enter into the body.

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