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What is the main function of the kidneys? a) To pump blood throughout the body b) To filter waste products from the blood c) To help digest food
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How many kidneys does a person have? a) 1 b) 2 c) 3
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Which of the following is NOT a waste product filtered by the kidneys? a) Carbon dioxide b) Urea c) Creatinine
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What happens to the waste products filtered by the kidneys? a) They are stored in the bladder b) They are transported to the liver c) They are excreted as urine
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How do the kidneys help maintain the body’s water balance? a) By producing sweat b) By regulating blood pressure c) By controlling urine production
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What is the role of the kidneys in maintaining blood pH balance? a) They release excess acids into the bloodstream b) They filter out excess base from the blood c) They regulate the concentration of hydrogen ions in the blood
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Which hormone is produced by the kidneys to stimulate red blood cell production? a) Insulin b) Estrogen c) Erythropoietin
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What is the name of the tiny filtering units in the kidneys? a) Alveoli b) Nephrons c) Capillaries
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How do the kidneys help regulate blood pressure? a) By releasing adrenaline b) By producing antidiuretic hormone c) By controlling the amount of sodium and water in the body
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What can happen if the kidneys are not functioning properly? a) Increased risk of heart disease b) Decreased risk of infections c) Improved digestion
Summary: The kidneys have several important functions in our body. They filter waste products from the blood, help maintain water balance, regulate blood pH, and produce hormones. They also play a role in regulating blood pressure. If the kidneys are not functioning properly, it can lead to various health problems.
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