| Text | Gills are made of gill filaments, which give a big surface area for gas exchange |
|---|
Tags: b1, bio, exchanging-substances
Learn with these flashcards. Click next, previous, or up to navigate to more flashcards for this subject.
Next card: Gill filaments covered in lamealle increase surface area more::2
Previous card: Water diffuses enters fish mouth passes gills oxygen
Up to card list: GCSE Biology 9-1 AQA Higher