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