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