Read and translate the following words and word combinations
1. Chamber: the heart consists of two separate chambers; the right atrium and the right ventricle are in the right chamber;
2. thick: a thick wall; the walls of the left atrium are thick; the left ventricle has thick walls;
3. pulmonary: pulmonary artery; pulmonary circulation; pulmonary function; pulmonary valve;
4. to dilate: dilated; to be dilated; the vessels dilate; the heart dilates and contracts
2. They haven't started their meal.
3. I haven't done my homework.
4. He hasn't win all his matches this year.
5. My brother and I haven't seen any films this week.
6. It's my birthday party today. I haven't invited many people.
7. He hasn't washed his hands. They're very dirty.
8. Mum'sreally angry. We haven't tidied our room!
9. I can't play with my friends this evening. I haven't finished my homework.
10. I haven't visited New York for three years.
11. Where's Alison? We haven't seen her since yesterday.
12. Dad hasn't taken a holiday since last Augutt.
13. John hasn't played the violin since he was in school.