How do most insects respire?

(a) Through skin
(b) Through gills
(c) By lungs
(d) By trachea system

Anurag Mishra Professor Asked on 29th February 2016 in Biology.
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1 Answer(s)

Answer: (d) By trachea system 

Anurag Mishra Professor Answered on 2nd March 2016.
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