How are vitamines classified? Name the vitamin responsible for the coagulation of blood.

Explanation

**Step-by-Step Solution:**

1. **Understanding Vitamins**: Vitamins are organic compounds that are essential for various bodily functions and are required in small amounts for growth and maintenance of health.

2. **Classification of Vitamins**: Vitamins are classified based on their solubility into two main categories:
- **Water-Soluble Vitamins**: These vitamins dissolve in water and are easily excreted from the body. Because they cannot be stored, they need to be consumed regularly. Examples include:
- Vitamin B complex
- Vitamin C
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