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