What is the primary organ involved in Breslaw's second life test?

Breslaw's second life test, a method utilized in forensic medicine, primarily assesses the stomach. This test is designed to evaluate the presence of ingested poisons, as the stomach plays a critical role in digestion and the absorption of toxins. In cases of poisoning, the stomach contents can provide vital clues regarding the substance that caused toxicity, aiding in determining the cause of death or illness.

The stomach's function in processing various substances makes it particularly significant when investigating potential poisoning scenarios. Thus, in the context of Breslaw's second life test, the stomach's role is paramount, as it allows forensic professionals to identify and analyze the remnants of any toxic substances.