How many lobes are there in the lung? - ProProfs Discuss
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How many lobes are there in the lung?

How many lobes are there in the lung?

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Asked by Mike John, Last updated: Nov 04, 2020

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Mia Thomson

Mia Thomson

Mia Thomson
Mia Thomson

Answered Aug 24, 2017

The human lungs contain 5 lobes. There are three lobes in the right lung and two lobes in the left lung. These lobes are created by the fissures in the pleural sac, which encloses the lungs. These fissures help in the lungs’ expansion and allow them to move without much friction as you breathe. The right lung has an upper, middle, and lower lobe, which are created by two fissures in the sac—one horizontal and one oblique.

The horizontal fissure separates the upper and middle lobes. The oblique fissure separates the lower lobe from the middle and upper lobes. The left lung has only an oblique fissure, which divides the lung into an upper and a lower lobe. The oblique fissures of both lungs are closely aligned.

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