How does carbon monoxide poisoning occur?

Explanation

**Step-by-Step Solution:**

1. **Understanding Hemoglobin's Role**: Hemoglobin is a protein found in red blood cells that is primarily responsible for transporting oxygen from the lungs to the tissues of the body.

2. **Inhalation of Air**: When we breathe in, the air we inhale may contain various gases, including carbon monoxide (CO).

3. **Carbon Monoxide's Interaction with Hemoglobin**: Carbon monoxide has a high affinity for hemoglobin, meaning it binds more readily to hemoglobin than oxygen does.

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