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