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