Samia is tracking the amount of calories she is consuming each day, along with her amount of exercise. She also takes her basal metabolic rate into consideration, which is 1,680 calories per day. At the end of the first day, she has consumed 1,940 calories in food and beverages and burned 280 calories on a six-mile bike ride, making her calories almost equal for the day (20 more calories out vs. in). What will most likely be the outcome if Samia continues this pattern for multiple weeks? She will gain significant weight.
She will lose significant weight.
Her weight will stay about the same.
Her weight will shift up and down.

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.