Biology, asked by khadeejacholamusfgvg, 10 months ago

what is the answer..??

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Answered by Harsha2005gulla

1

Answer:

(i) they stop unnecessary particles at the nostrils

(ii) the second level of defense may be the sneeze

please mark as brainliest

Answered by prakritikapoor41

0

Photo bhut blur aai hai

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