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