Поставьте предложения в passive simple tenses: 1. seven cervical vertebrae compose the cervical part of the spine. 2. cranial and facial bones form the skull. 3. the pelvis connects the hind extremity with the trunk. 4. all the students attend the lectures in anatomy 5. the breastbone connects some upper ribs. 6. the members of our student scientific society make these experiments.

1. The cervical part of the spine is composed by seven cervical vertebrae.  
2. ???
3. The hind extremity is connected with the trunk by the pelvis.
4. The lectures in Anatomy are attended by all the students.
5. Some upper ribs are connected by the breastbone.
6. These experiments are made by the members of our student scientific society.