Point out two differences between an artery and a vein .

Explanation

### Step-by-Step Solution:

1. **Definition and Function**:
- An artery is a type of blood vessel that carries blood away from the heart. Its primary function is to transport oxygen-rich blood to various parts of the body.
- A vein, on the other hand, is a blood vessel that carries blood towards the heart. Its main role is to return deoxygenated blood from the body back to the heart.

2. **Type of Blood Carried**:
- Arteries typically carry oxygenated blood, which is rich in oxygen (approximately 97% oxygen saturation). This is crucial for supplying oxygen to body tissues.
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