What is the most reliable and easiest visual indicator of healthy hydration?
Chapter 1

The microscopic marvels of filtration

Chapter 2

The plumbing and storage system

Chapter 3

History and global medicine

Chapter 4

Balance, hydration, and survival

YOUR GOAL

Master of The human urinary system

Ch 4 · Balance, hydration, and survival
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artiteacher The body's acid controller

Jul 12

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artiteacher Balance, hydration, and survival

Forty times a day they clean it through (oh, they do!), keeping all the good stuff just for you (just for you!)

Jul 10

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artiteacher Managing your blood pressure

Jul 12

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The body's acid controller

artiteacher Kidneys maintain the delicate chemical balance and pH of your blood.

Jul 10

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Managing your blood pressure

artiteacher The kidneys play a critical role in regulating systemic blood pressure.

Jul 10

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Wee Wobble
BETA

artiteacher Tilt the wobbling waste drops to discover how your urinary system filters the blood.

Jul 10

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Fun Fact

The hangover hormone: Alcohol dehydration occurs because drinks block the brain's hormone that tells kidneys to save water.

Jul 10

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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.

Jul 10

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Gossip

How much water do you drink daily?

Jul 10

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Quiz

Which hormone directly instructs the kidneys to conserve water during dehydration?

Jul 10

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artiteacher The water-saving hormone

Jul 12

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Quiz

What is the most reliable and easiest visual indicator of healthy hydration?

Jul 10

artiteacher

artiteacher The truth about hydration

Jul 12

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Quiz

How does alcohol consumption lead to dehydration and hangovers?

Jul 10

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Quiz

Which hormone produced by the kidneys stimulates bone marrow to make red blood cells?

Jul 10

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Quiz

Which system is activated by renin to constrict blood vessels and retain sodium?

Jul 10

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Quiz

What enzyme do kidneys release to help elevate low blood pressure?

Jul 10

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Quiz

What is the healthy, life-sustaining pH range of human blood that the kidneys help maintain?

Jul 10

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Quiz

Why is the 'eight glasses of water a day' rule considered a myth by modern science?

Jul 10