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