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