Biology, asked by dhobhichand, 1 year ago

Explain why respiration through mouth is harmful

Answers

Answered by Arohichaudhary1111
1
because through our mouth harmful substances also enters so it is harmful to respire through mouth
Answered by 3403
1
Because there are no provisions to prevent the entering of harmful substances where as
In nose we have mucus and hair to prevent dust particles from entering our respiratory system

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