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