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