Answers

2016-02-15T23:17:52+05:30
Through food
water
air
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you skipped a part of the question Prajwal
2016-02-16T06:39:56+05:30
Micro organisms can enter the human body through 
Food we eat, can contain micro organisms
Water we drink contains nutrients along with that some micro organisms can enter
Air we breathe can allow some microbes to enter our body.

Thank you.....!!!!
Mark as brainliest of helpful..
Yours, Jahnavi.
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