Oscar and his friends went to a movie on Thursday afternoon. They left at 1:50 P. M. It took 1 hour to drive to the theater. They arrived at the theater 55 minutes before the movie started. Once it started, the movie lasted for 1 hour and 30 minutes. What time was it when the movie ended?

Check all that occur during ventricular systole. a. the av valves open to allow blood to enter the ventricles from the atria. b. the av valves open to allow blood to enter the ventricles from the atria. c. the semilunar valves remain closed throughout systole to prevent backflow of blood into the ventricles. d. the semilunar valves remain closed throughout systole to prevent backflow of blood into the ventricles. e. the semilunar valves open to allow blood to flow into the large arteries. f. the semilunar valves open to allow blood to flow into the large arteries. g. the av valves close to prevent backflow of blood into the atria.