**Core Concept**
Embalming is the process of preserving a deceased body for funeral or burial purposes. The solution used for embalming contains chemicals that help to prevent decay and maintain the body's appearance. To be effective, the embalming solution must be introduced into the circulatory system.

**Why the Correct Answer is Right**
The correct answer is B. Arteries. The embalming solution is injected into the arterial system through the carotid arteries or femoral arteries. This allows the solution to circulate throughout the body, reaching all tissues and organs. The solution contains formaldehyde, a disinfectant that helps to prevent bacterial growth and decay. By introducing the solution into the arteries, embalmers can ensure that the solution reaches the entire body, including the organs and tissues that are not directly accessible through the veins.

**Why Each Wrong Option is Incorrect**
**Option A:** Veins are not used for embalming because they only carry deoxygenated blood back to the heart, whereas the embalming solution needs to be introduced into the arterial system to circulate throughout the body.

**Option C:** Lymphatics are not used for embalming because they are responsible for draining excess fluids and proteins from the tissues, and introducing the embalming solution into the lymphatic system would not be effective in preserving the body.

**Option D:** While none of the above options are correct, it's worth noting that embalming is typically performed through the arterial system, making option D incorrect by default.

**Clinical Pearl / High-Yield Fact**
When embalming a body, it's essential to use a solution that is specifically designed for this purpose, as other chemicals can cause tissue damage or other adverse effects. Additionally, embalmers must follow proper protocols to prevent the spread of disease and contamination.

✓ Correct Answer: B. Arteries