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It is difficult to make an artificial liver so a substitutive technology, like the dialysis machine, is being made. Which of the options is mostly considered in making such machines?

It is difficult to make an artificial liver so a substitutive technology, like the dialysis machine, is being made. Which of the options is mostly considered in making such machines? Correct Answer Using hepatocytes to filter blood

The liver performs multiple functions, all of which cannot be recreated externally. However, the function where the liver breaks the harmful substance into filterable substances that can be removed by the kidney. In order to achieve this, the best possible solution to use the hepatocytes, extracted from a liver and cultivated outside, to help in purification.

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A liver performs multiple functions and is also one of the heaviest organs in the body, second only to the brain. So, when an artificial liver is being produced, recreating what physical property of the liver poses a challenge?
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Fact 1: All dogs like to run.
Fact 2: Some dogs like to swim.
Fact 3: Some dogs look like their masters.

If the first three statements are facts, which of the following statements must also be a fact?
I: All dogs who like to swim look like their masters.
II: Dogs who like to swim also like to run.
III: Dogs who like to run do not look like their masters.