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