The amazing human liver

Chapter 1

The ultimate multi tasker

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Chapter 2

The magic of self healing

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Chapter 3

The digestive power plant

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Chapter 4

The ultimate security guard

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YOUR GOAL

Master of The amazing human liver

Ch 4 · The ultimate security guard

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teacher Cut me down to a quarter, I'll still grow right back to guard you!

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Converting toxic ammonia into safe urea

teacher Converting toxic ammonia into safe urea

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Fun Fact

Liver filtration: The liver filters about 1.4 liters of blood every minute, cleaning your entire blood supply many times daily.

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Dismantling alcohol with alcohol dehydrogenase

teacher Dismantling alcohol with alcohol dehydrogenase

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Glossary

kupffer cell (noun)
A specialized macrophage found in the liver that filters pathogens and foreign debris from the blood. German anatomist Karl Wilhelm von Kupffer first discovered these resident immune cells in 1876.

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Quiz

What does the liver do to fat-soluble toxins to make them safe for excretion?

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Gossip

Which modern lifestyle habit is hardest on our bodies?

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Quiz

Which organ is responsible for filtering out the urea produced by the liver?

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Quiz

Why is ammonia dangerous if the liver fails to convert it into urea?

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Quiz

Which enzyme is primarily responsible for the first step of breaking down alcohol in the liver?

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Quiz

What is the name of the specialized immune cells found inside the liver?

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Quiz

The liver converts toxic ammonia from protein digestion into which safer substance?

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Quiz

Which toxic substance is produced first when the liver breaks down alcohol?

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Quiz

What percentage of the body's macrophage immune cells reside in the liver as Kupffer cells?