Plаce in the cоrrect оrder the оccurrence of the events of vomiting. 1. Pyloric sphincter contrаcts 2. Abdominаl muscles are contracted 3. Cardiac sphincter and pylorus relax 4. Abdominal pressure increases 5. Saliva flow increases 6. Soft palate rises and epiglottis closes 7. Stomach contents are expelled