Multiple Choice
Which term best describes the body's process of increasing heart rate during cardiovascular activities to supply more oxygen to tissues?
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1. Introduction to Biology
Introduction to Biology
Multiple Choice
Which organ is the primary site for alcohol metabolism in the human body?
A
Stomach
B
Kidney
C
Liver
D
Pancreas
Verified step by step guidance1
Understand the concept of alcohol metabolism: Alcohol metabolism refers to the process by which the body breaks down and eliminates alcohol. This process primarily involves enzymes that convert alcohol into less harmful substances.
Identify the organ responsible for alcohol metabolism: The liver is the primary site for alcohol metabolism in the human body. It contains enzymes such as alcohol dehydrogenase (ADH) and aldehyde dehydrogenase (ALDH) that play a key role in breaking down alcohol.
Clarify the role of the liver: The liver processes alcohol by converting it into acetaldehyde (a toxic compound) using alcohol dehydrogenase. Acetaldehyde is then further broken down into acetate, a less harmful substance, by aldehyde dehydrogenase.
Differentiate the roles of other organs: While the stomach may absorb alcohol and the kidneys help excrete waste products, they are not involved in metabolizing alcohol. Similarly, the pancreas plays a role in digestion but does not metabolize alcohol.
Conclude with the correct answer: Based on the biological functions of these organs, the liver is the correct answer as the primary site for alcohol metabolism.
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