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