When an elderly person’s skin no longer heals as quickly, aging is impacting what system of the body? a: endocrine systemb: integumentary systemc: sensory systemd: healing system

According to the food plate, which of these foods should make up the smallest part of your diet? a. grains and cereals b. milk and meats c. fruits and vegetables d. fats and oils

American college students invented football by combining what two sports?

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.