Write functions of lymph.

Explanation

### Step-by-Step Solution for the Functions of Lymph

1. **Understanding Lymph**: Lymph is a clear fluid that is similar to blood plasma but contains fewer proteins. It is formed from the interstitial fluid that surrounds cells and is collected by lymphatic vessels.

2. **Drainage of Tissue Fluid**: One of the primary functions of lymph is to drain excess tissue fluid. This prevents the accumulation of fluid in tissues, which can lead to swelling (edema). The lymphatic system collects this fluid and returns it to the bloodstream.

3. **Absorption of Fats**: Lymph plays a crucial role in the digestive system by absorbing fats and fat-soluble vitamins from the digestive tract. After digestion, these nutrients are transported through the lymphatic vessels before entering the bloodstream.

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