The liver is the organ largely responsible for metabolizing and breaking down alcohol. Which organ is this?

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Multiple Choice

The liver is the organ largely responsible for metabolizing and breaking down alcohol. Which organ is this?

Explanation:
Metabolizing alcohol mainly happens in the liver because liver cells (hepatocytes) are equipped with abundant enzymes—primarily alcohol dehydrogenase and aldehyde dehydrogenase, along with other enzymes like CYP2E1—that convert ethanol first to acetaldehyde and then to acetate for energy or excretion. This process also relies on the liver’s central role in detoxification and its rich blood supply, which makes it the primary site for processing substances absorbed from the gut. The stomach can contribute a small amount of metabolism, but its capacity is limited. The kidneys mainly filter blood and excrete alcohol and its metabolites rather than breaking them down, and the heart does not serve as a metabolic site for alcohol. So, the liver is the organ largely responsible for metabolizing and breaking down alcohol.

Metabolizing alcohol mainly happens in the liver because liver cells (hepatocytes) are equipped with abundant enzymes—primarily alcohol dehydrogenase and aldehyde dehydrogenase, along with other enzymes like CYP2E1—that convert ethanol first to acetaldehyde and then to acetate for energy or excretion. This process also relies on the liver’s central role in detoxification and its rich blood supply, which makes it the primary site for processing substances absorbed from the gut. The stomach can contribute a small amount of metabolism, but its capacity is limited. The kidneys mainly filter blood and excrete alcohol and its metabolites rather than breaking them down, and the heart does not serve as a metabolic site for alcohol. So, the liver is the organ largely responsible for metabolizing and breaking down alcohol.

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