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