Which of the following is not a lifestyle modification that can lead to better health? a. healthy diet b. exercise c. stress d. physicals user: heredity is a. passing traits from one generation to the next b. the likelihood that an individual will contract a disease c. the optimal health a person can achieve d. all of the abov

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.