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