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