HELP! Healthcare costs in the United States are on the rise. Some people say that a universal healthcare system would bring costs down and increase access to care. Others say it would be too expensive and would reduce the quality of care. Examine editorials from both sides of the argument. Then write a five-paragraph essay in which you compare and contrast each argument in terms of objectivity and the types of evidence presented. Evaluate and explain how the sources use effective evidence to support their claims.

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.