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