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