Question

40. Explain how fish gills maximize the surface area available for oxygen exchange.

Need help on this

Thanks
-MC

Answer 1

Lots of help here:

http://www.google.com/search?source=ig&hl=en&rlz=1G1GGLQ_ENUS362&q=fish+gills+maximize+the+surface+area+available+for+oxygen+exchange