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