which organ helps you to think, brain, liver, heart, kidneys, which organ pumps blood around the body, brain, heart, liver, kidneys, which organs help you breathe, kidneys, brain, lungs, liver, which organ filter the blood and makes urine, liver, kidneys, heart, stomach, how many kidneys do most people have, one, two, three, four, which part of the body protects the brain, ribs, skin, skull, hands, what does the heart pump, air, blood, water, food, which organ clean the blood and helps in digestion, liver, stomach, heart, brain, which part of the body protects the heart and lungs, feet, ribs, arm, neck, which system helps you to get nutrients from the food, respiratory, digestive, nervous, circulatory, the heart ,blood and blood vessels make up ................ system, circulatory, digestive, nervous, respiratory, which major organ do we find in the head, heart, stomach, brain, lungs

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