В какие фазы сердечного цикла происходит открытие и закрытие створчатых клапанов? А полулунных клапанов?

1.Newspapers are read by my father every morning . 2. Food for our pets is bought twice a week . 3. Bananas are loved by monkeys. 4. A lot of questions were asked by students at the conference . 5. Detective stories were written by Agatha Christie. 6.Your homework will be done tomorrow . 7. A special cake will be made  for my birthday by my grandmother. 8. Mike's education is paid by his father. 9. My test in English was written very well yesterday.