A) elimination of carbon dioxide from tissues and cells B) transportation of food, water and oxygen to tissues and cells C) transportation of nitrogen throughout the body D) elimination of waste from tissues and cells
A) around B) away from C) toward D) all over
A) toward B) away from C) around D) all over
A) artery B) capillary C) aorta D) vein
A) white blood cells B) plasma C) red blood cells D) platelets
A) white blood cells B) platelets C) red blood cells D) plasma
A) platelets B) red blood cells C) white blood cells D) plasma
A) aorta B) atria C) vena cava D) ventricle
A) ventricle B) vena cava C) atria D) aorta
A) liver B) heart C) lungs D) brain
A) temperature regulation B) storage of fat and calcium C) protect against infection D) transport oxygen
A) excretory system B) skeletal system C) digestive system D) respiratory system
A) valves B) plasma C) ventricles D) atria
A) 2 pumps B) 3 pumps C) 4 pumps D) 1 pump
A) oxygen and hydrogen B) oxygen and carbon dioxide C) nitrogen and oxygen D) hydrogen and carbon dioxide |