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