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