You've decided to open a nonprofit child care center. what is one of the greatest advantages of this type of program?

a. you aren't answerable to the internal revenue service.
b. you're more independent, since tuition fees are the only source of income.
c. you don't have to become involved in politics.
d. your program can receive tax-deductible donations and contributions.

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.