What is difference between blood and lymph?

Explanation

### Step-by-Step Solution

1. **Color**:
- **Lymph**: Lymph is a colorless fluid because it does not contain red blood cells (RBCs) or any pigments.
- **Blood**: Blood is a reddish-colored fluid due to the presence of red blood cells, which contain hemoglobin.

2. **Function in the Body**:
- **Lymph**: Lymph is a part of the immune system, which plays a crucial role in the body’s defense mechanisms.
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