Differentiated between vessel and sieve tube.

Explanation

### Step-by-Step Solution:

1. **Definition and Function**:
- **Vessel**: Vessels are part of the xylem tissue in plants, responsible for the conduction of water and minerals from the roots to other parts of the plant.
- **Sieve Tube**: Sieve tubes are part of the phloem tissue, responsible for the transport of food (sugars and nutrients) produced during photosynthesis from the leaves to other parts of the plant.

2. **Cell Composition**:
- **Vessel**: Vessels are composed of dead cells that form a long-distance channel for water transport. These cells have hollow interiors (lumen).
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