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