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