| Front | what causes varicose veins? |
|---|---|
| Back | faulty vein valves |
Learn with these flashcards. Click next, previous, or up to navigate to more flashcards for this subject.
Next card: Veins bluish blood is deoxygenated high levels
Previous card: Arteries deep tissue reduces chance injury rupture
Up to card list: AP Biology + Alberta Biology 30 Diploma