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