Michelle had gotten into the habit of coming home from work each day and watching television for several hours. knowing she could benefit from less sedentary activity and more physical activity, michelle now walks vigorously on the treadmill while watching her favorite television shows. michelle will likely experience benefits in

10alcohol affects the brain, reducing a person's ability to think clearly. the driver may not and actually feel he/she is performing better than they actually are.

Explain what is meant by the phrase “ethical behavior”.

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.