What are the main parts of the cardiovascular system?, Lungs, stomach, brain, Blood, blood vessels, and heart, Bones, muscles, skin, Kidneys, liver, intestines, What is one main function of the cardiovascular system?, To help us see, To transport oxygen, To digest food, To control bones, What does oxygen-rich blood do?, Carries carbon dioxide, Stays in the lungs, Delivers oxygen to body cells, Produces energy directly, Where does oxygen enter the body?, Stomach, Heart, Intestine, Lungs, What happens when cells use oxygen?, They produce water, They produce carbon dioxide, They stop working, They grow instantly, What does the blood transport besides oxygen?, Only water, Only air, Nutrients and energy, Only bones, What is glucose?, A waste product, A type of oxygen, A source of energy, A gas, What happens to waste in the body?, It stays in the blood forever, It disappears, It is transported to excretory organs, It turns into oxygen, What helps fight diseases in the body?, Disease-fighting cells, Bones, Muscles, Skin only, The cardiovascular system works together with which system to fight diseases?, Digestive system, Immune system, Nervous system, Respiratory system, The heart pumps blood through the body., True, False, Blood carries oxygen to all cells., True, False, The cardiovascular system only transports oxygen., True, False, Carbon dioxide is removed from the body when we breathe out., True, False, Nutrients are not transported by the blood., True, False, The cardiovascular system helps fight diseases., True, False, Cells produce carbon dioxide after using oxygen., True, False, Disease-fighting cells protect the body from diseases., True, False.

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