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