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