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