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