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