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Questions and Answers
The walls of ______ are only one cell thick, allowing for diffusion.
capillaries
The kidneys and two ureters make up the upper urinary tract, which is also known as the ______ tract.
upper
The process of waste removal from the body is known as ______.
excretion
The urinary system is also referred to as the ______ system.
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The ______ and urethra make up the lower urinary tract.
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Urea is produced when ______ is broken down.
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The urinary system works together with the ______, skin, and intestines to maintain a balance of chemicals and water.
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The kidneys filter ______ liters of blood per day.
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The ______ acid is produced from nucleic acids.
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The kidneys have millions of ______ that are the site of urine formation.
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