**Core Concept**
Breslaus second life test, also known as the Breslaus second test, is a diagnostic tool used to assess the viability of an organ. It is a method to determine whether an organ can recover its function after being subjected to an ischemic insult. This test is particularly relevant in the context of organ transplantation and perfusion.

**Why the Correct Answer is Right**
The Breslaus second life test is specifically performed on the kidney. The test involves perfusing the organ with a solution containing oxygen and nutrients to assess its ability to recover from ischemia. The kidneys are highly sensitive to ischemic damage due to their high metabolic rate and reliance on blood flow. The Breslaus second life test is a critical step in evaluating the viability of a kidney for transplantation. The test helps to identify kidneys that are likely to function well after transplantation.

**Why Each Wrong Option is Incorrect**
* **Option A:** This option is incorrect because the Breslaus second life test is not typically performed on the liver. While the liver is also sensitive to ischemic damage, the test is not a standard assessment tool for this organ.
* **Option B:** This option is incorrect because the Breslaus second life test is not a method used to assess the viability of the heart. The heart is a highly specialized organ with unique requirements for blood flow and oxygenation, and there are other tests that are more relevant for evaluating its viability.
* **Option C:** This option is incorrect because the Breslaus second life test is not a procedure used to evaluate the lungs. The lungs are sensitive to ischemic damage, but the test is not a standard assessment tool for this organ.

**Clinical Pearl / High-Yield Fact**
It's essential to remember that the Breslaus second life test is a critical component of kidney transplantation evaluation. The test helps to identify kidneys that are likely to function well after transplantation, reducing the risk of rejection and improving patient outcomes.

**Correct Answer:** C. The Breslaus second life test is done on the kidney.