jessamarie8
jessamarie8 jessamarie8
  • 03-05-2014
  • Biology
contestada

1. What is the respiratory structure of a millipede?

A. book lungs

B. tracheal tube

C. gill slits


2. what is the respiratory structure of a spider?

A. gills

B. book lungs

C. tracheal tube

D. gill slits


Respuesta :

tadvisohil886
tadvisohil886 tadvisohil886
  • 06-05-2014
The answer is Tracheal tube in both the cases.
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