Which blood proteins are involved in blood clotting ?

Explanation

### Step-by-Step Solution:

1. **Understanding Blood Clotting**: Blood clotting, also known as coagulation, is a process that occurs when there is a cut or wound in the body. It is essential for preventing excessive blood loss.

2. **Role of Blood Proteins**: During blood clotting, specific proteins in the blood play crucial roles in forming a clot. These proteins work together to create a mesh-like structure that helps seal the wound.

3. **Key Proteins Involved**:
- **Prothrombin**: This is an inactive protein found in the blood. When a wound occurs, prothrombin is converted into an active enzyme called thrombin.
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