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