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