IF YOU SEE BOTS ASKING YOU TO GO TO A SITE CALLED TODAY, DONT GO! THEY ARE USING THE NAME TO MAKE A FAKE WEBSITE LINK TO A INNAPROPRIATE WEBSITE THAT HAS NOTHING TO DO WITH IF YOU SEE ANY OF THESE BOTS AVOID THEM!!! THEY TEND TO HAVE LINKS OF PICTURES THAT ARENT ACTUALLY THEM! THEY ARE JUST PROMOTING A INNAPROPRIATE WEBSITE THAT ISNT MEANT FOR KIDS LIKE US!

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.