Name the pigment that carries oxygen in blood.

Answer

**Step-by-Step Solution:**

1. **Identify the Function of Blood Pigments**: Blood contains various pigments that have specific functions. One of the primary functions of blood is to transport gases, particularly oxygen and carbon dioxide.

2. **Determine the Main Pigment for Oxygen Transport**: Among the various pigments present in blood, one specific pigment is primarily responsible for carrying oxygen. This pigment is crucial for the respiratory process.

3. **Name the Pigment**: The pigment that carries oxygen in the blood is called **hemoglobin**.

4. **Additional Information**: Hemoglobin is also referred to as a respiratory pigment. It not only transports oxygen but also helps in the transport of carbon dioxide and plays a role in maintaining the pH balance of blood. Hemoglobin gives blood its red color.

5. **Conclusion**: Therefore, the answer to the question is that the pigment that carries oxygen in blood is **hemoglobin**.

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