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