25th November 2019


Why is the left lung bigger than the right?

Each lung is divided into upper and lower lobes. The right lung is larger and heavier than the left lung, which is somewhat smaller in size because of the position of the heart. The upper lobe of the right lung contains another triangular subdivision known as the middle lobe.

Just so, why is the left lung smaller than the right?

Each lung is divided into sections (lobes): three in the right lung and two in the left lung. The left lung is a little smaller than the right lung because it shares space in the left side of the chest with the heart.

How is the left main bronchus different from the right?

The right main bronchus is wider, shorter, and more vertical than the left main bronchus. It enters the right lung at approximately the fifth thoracic vertebra.
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