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