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