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