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| Índex d'articles |
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| 1. Cough |
| 2. ¿Qué pasa cuando la caries ataca? |
| 3. ¿Qué pasa cuando la caries ataca? |
| 4. Recuerda |
| 5. Recuerda |
| 6. Recuerda |
| 7. Recuerda |
| Totes les pàgines |
Cough
Cof, cof... Have you ever caught a cold? Have you ever been near a cat and then started coughing, and felt your eyes watering? Welcome to the club! Coughs are very common. Even though they're a nuisance, their purpose is to help us because they are a way of clearing our respiratory tract. A cough is rather like a "guard dog" for the lungs: it protects them against intruders or from enemies on the inside.