Solany2651 Solany2651
  • 24-05-2019
  • Biology
contestada

What characteristics can you observe in the gills that make them an efficient respiratory organ?

Respuesta :

jetblackcap jetblackcap
  • 03-06-2019

Answer:

Lots of folding = lots of surface area for diffusion.  

Lots of vascularization.  

Countercurrent exchange system.  

Located off of the throat to help water get rammed down the throat in a single direction, across the gills

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