| Front | Why is excretion necessary? |
|---|---|
| Back | Some compounds are toxic if concentration is too high. |
Learn with these flashcards. Click next, previous, or up to navigate to more flashcards for this subject.
Next card: Co2 dangerous dissolves water form carbonic acid h2co3
Previous card: Tube carries urine body urethra
Up to card list: IGCSE Biology Summary