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