The five primary metabolic wastes produced by the body are carbon dioxide, urea, ammonia, creatinine, and bilirubin. Carbon dioxide is a byproduct of cellular respiration, while urea and ammonia are products of protein metabolism. Creatinine is generated from muscle metabolism, and bilirubin comes from the breakdown of hemoglobin in red blood cells. These wastes are typically excreted through respiration, urine, or bile.
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