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