What organ pumps blood through the body?, Brain, Heart, Stomach, Lungs, What do blood vessels carry?, Food, Bones, Blood, Air, Which blood vessels carry blood away from the heart?, Nerves, Veins, Capillaries, Arteries, Which blood vessels carry blood back to the heart?, Veins, Capillaries, Muscles, Arteries, What is the liquid part of blood called?, Oxygen, Saliva, Plasma, Water, Which blood cells help fight germs?, Red cells, White cells, Skin cells, Platelets, Which blood cells carry oxygen?, Brain cells, White cells, Platelets, Red cells, What helps blood clot after a cut?, Platelets, Plasma, Veins, Arteries, Where does blood pick up oxygen?, Lungs, Liver, Kidneys, Stomach, Why is the circulatory system important?, Makes bones, Moves nutrients, Grows hair, Stores food

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