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