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