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