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