Lymph `rarr` X `rarr` Y `rarr` Veins. What are X and Y ?

Explanation

To solve the question "Lymph `rarr` X `rarr` Y `rarr` Veins. What are X and Y?", we will break down the process step by step.

### Step-by-Step Solution:

1. **Understanding Lymph**:
- Lymph is a clear to white fluid that consists of white blood cells (WBCs) and the plasma part of blood. It plays a crucial role in the immune system and in transporting nutrients.

2. **Identifying X**:
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