What makes the blood look red?

Explanation

### Step-by-Step Solution:

1. **Understanding Blood Components**: Blood is made up of three main components: red blood cells, white blood cells, and platelets.

2. **Role of Red Blood Cells**: The primary function of red blood cells (RBCs) is to transport gases, particularly oxygen and carbon dioxide, throughout the body.

3. **Introduction to Hemoglobin**: Red blood cells contain a special pigment called hemoglobin.

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