The human urinary system
Chapter 1
The microscopic marvels of filtration
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Chapter 2
The plumbing and storage system
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Chapter 3
History and global medicine
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Chapter 4
Balance, hydration, and survival
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YOUR GOAL
Master of The human urinary system
Ch 4 · Balance, hydration, and survival
teacher Forty times a day they clean it through (oh, they do!), keeping all the good stuff just for you (just for you!)
Fun Fact
The hangover hormone: Alcohol dehydration occurs because drinks block the brain's hormone that tells kidneys to save water.
Glossary
osmoregulation (noun)
The maintenance of constant osmotic pressure in the fluids of an organism by regulating water and salt concentration. Kidneys filter about 180 liters of fluid daily, reabsorbing ninety-nine percent to prevent dehydration.
The maintenance of constant osmotic pressure in the fluids of an organism by regulating water and salt concentration. Kidneys filter about 180 liters of fluid daily, reabsorbing ninety-nine percent to prevent dehydration.
Quiz
Which hormone directly instructs the kidneys to conserve water during dehydration?
Quiz
Which hormone produced by the kidneys stimulates bone marrow to make red blood cells?
Quiz
What is the healthy, life-sustaining pH range of human blood that the kidneys help maintain?