October 6, 2008. Lecture 14. Gills & Respiration. 1. Why do fish need O2? Why do fish have gills? Why donât they rely on diffusion across their bodies? 2. Respiratory…
October 6, 2008. Lecture 14. Gills & Respiration. 1. Why do fish need O2? Why do fish have gills? Why donât they rely on diffusion across their bodies? 2. Respiratory…