Which of the following takes place during the process of detoxication in the liver?

The process of detoxification in the liver involves the conversion of poisonous substances in the body into harmless substances. The liver is responsible for breaking down toxic substances, including drugs, alcohol, and metabolic waste products, and transforming them into less harmful substances that can be excreted from the body. The liver uses a series of chemical reactions, including oxidation, reduction, and hydrolysis, to convert these toxic substances into more soluble and easily excreted compounds. This process is called biotransformation, and it involves two phases. In phase one, the liver enzymes modify the toxic substances, making them more reactive and easier to eliminate. In phase two, the modified substances are combined with other molecules, such as glutathione or glucuronic acid, to form water-soluble compounds that can be easily eliminated from the body through urine or bile. Therefore, the correct option is "Poisonous substances in the body are converted into harmless substances" when it comes to the process of detoxication in the liver.