How are the lungs designed in human beings to maximise the area for exchange of gases?

Explanation

### Step-by-Step Solution:

1. **Understanding the Role of Lungs**: The lungs are essential organs in human beings that facilitate the process of breathing. They are responsible for the exchange of gases, primarily oxygen and carbon dioxide.

2. **Structure of the Lungs**: The lungs are structured in a way that maximizes the area available for gas exchange. The process begins with the windpipe, also known as the trachea.

3. **Branching of the Trachea**: The trachea divides into two main branches called bronchi. Each bronchus leads to one lung.

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