Exercise strengthens your heart muscle and increases your lung capacity.

anaerobic

aerobic

isometric

Which characteristic do healthy families have in common? a. having above average household income b. ignoring one another’s happiness c. demonstrating love for oneself d. communicating with one another

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.

Jackson's doctor has suggested he begin increasing his intake of foods that contain plenty of vitamin c. which foods might he add to his diet? yogurt, fish, and cheese tomatoes, strawberries, and peppers whole wheat bread, brown rice, and white potatoes poultry, eggs, and bananas