A) elimination of waste 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 carbon dioxide from tissues and cells
A) away from B) toward C) all over D) around
A) toward B) away from C) all over D) around
A) aorta B) artery C) vein D) capillary
A) white blood cells B) plasma C) red blood cells D) platelets
A) red blood cells B) white blood cells C) platelets D) plasma
A) red blood cells B) white blood cells C) plasma D) platelets
A) atria B) ventricle C) aorta D) vena cava
A) ventricle B) vena cava C) atria D) aorta
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) respiratory system B) excretory system C) skeletal system D) digestive system
A) ventricles B) plasma C) valves D) atria
A) 1 pump B) 4 pumps C) 3 pumps D) 2 pumps
A) hydrogen and carbon dioxide B) nitrogen and oxygen C) oxygen and hydrogen D) oxygen and carbon dioxide |