Biology, asked by Anonymous, 9 months ago

What are barriers?

Answers

Answered by kunjal130927

barriers are some things which prevent something

Answered by ranbir565

Biologically, these barriers are living organisms that help to protect the body. Millions of harmless bacteria live on the human skin. Many more live in the GI tract . The harmless bacteria use up food and space , so that harmful bacteria cannot grow.

Hope it helps !!

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