The lungs contain millions of tiny air sacs called alveoli, surrounded by a network of blood capillaries, where gas exchange takes place.
Les poumons contiennent des millions de petits sacs aériens appelés alvéoles, entourés par un réseau de capillaires sanguins, où se déroule l'échange gazeux.
| Front | What does the lung contain? |
|---|---|
| Back | The lungs contain millions and millions of little air sacs called alveoli, surrounded by a network of blood capillaries. This is where gas exchange happens. |
Learn with these flashcards. Click next, previous, or up to navigate to more flashcards for this subject.
Next card: Concentration high diffuses alveolus blood state gases exchanged
Previous card: Called takes tubes bronchioles state pathway air breath
Up to card list: GCSE Biology Paper 1 (9-1 Exams)