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