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Home Q & A Board Biology-Related Homework Help General Biology
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Mira8642 Mira8642
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12 years ago
Question 8 of 60   1.667 Points
Lance is studying invertebrate respiration and wants to measure the oxygen exchange surfaces in a large spider. Where would most gas exchange occur?

 

   A. Tracheoles.   
 

   B. Book lungs.   
 

   C. Skin.   
 

   D. Spiracles.   
 

   E. Gills.   
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lewislewis
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12 years ago
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