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