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