Hepatocytes break down and chemically changes many harmful substances and drugs (paracetamol, antibitotics, alcohol) as wel as some hormones such as insulin, testosterone and oestrogen
Ethanol is converted to ethanol by the enzyme alchol dehydrogenase, and then to ethanoate by aldehyde dehydrogenanse. This can enter the Krebs cycle and be metabolised to produce ATP
Types of Nitrogenous Waste
Ammonia - high solubility, high oxicity and is found in an aqueous environment ->fish
Urea - high solubility, medium toxicity, fouund in terrestrial environments->Mammals
Uric Acis - low solubility, low toxicity in the air ->birds
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