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