Chemistry, asked by singlaraju368, 1 year ago

why do we sneeze and cough, what is epiglottis and what is the pH value of acid rain....

Answers

Answered by Toppr

Epiglottis covers the glottis while eating so that food will not go into respiratory tract

singlaraju368: but what is the answer of rest of the question. ..

singlaraju368: tell me.

Toppr: pH of acid rain is 5-5.5

singlaraju368: OK. ...

singlaraju368: why do we sneeze. ...

Toppr: Is this the ques of 10 bio

singlaraju368: no... 7 class

singlaraju368: bio...

singlaraju368: ..........

Toppr: We sneeze to remove irritants from respiratory tract

Answered by Tanisha2122

1 becz dust particles enter in our nose, cause sneeze....... nd epiglottis is a part of pharynx in which the glottis is guarded by flap lyk structure called Epiglottis.... pH value of acid rain is between 5.6 and 3.5; at times it can be as low as 2
Hope it helps!
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singlaraju368: thanks butility why we cough...

Tanisha2122: not confirmed actually

singlaraju368: OK, !

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