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