African Journal of Respiratory Medicine

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African Journal of Respiratory Medicine
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The anatomy and physiology of lungs

Commentary - (2022) Volume 17, Issue 2

Yadiel Murphy*
*Correspondence: Yadiel Murphy, Department of Respiratory Medicine, Mico University, Jamaica, Email:

Received: 02-Feb-2022, Manuscript No. ajrm-22- 60058; Accepted Date: Feb 23, 2022 ; Editor assigned: 04-Feb-2022, Pre QC No. ajrm-22- 60058 (PQ); Reviewed: 18-Feb-2022, QC No. ajrm- 22- 60058; Revised: 23-Feb-2022, Manuscript No. ajrm-22- 60058 (R); Published: 03-Feb-2022, DOI: 10.54931/1747-5597.22.17.8

Department of Respiratory Medicine, Mico University, Jamaica


The lungs are a couple of supple, air-filled organs situated on one or the other side of the (chest). The (windpipe) conducts breathed in air into the lungs through its rounded branches, called bronchi. The bronchi then partition into increasingly small branches (bronchioles), at long last becoming minuscule. The bronchioles in the end in groups of minute air sacs called alveoli. In the alveoli, oxygen from the air is consumed into the blood. Carbon dioxide, a byproduct of digestion, ventures out from the blood to the alveoli, where it tends to be breathed out. Between the alveoli is a dainty layer of cells called the interstitium, which contains veins and cells that assist with supporting the alveoli.


Oxygen goes through the meager layers of the alveoli and into the circulatory system. The red platelets get the oxygen and convey it to the body’s organs and tissues. As the platelets discharge the oxygen they get carbon dioxide, a byproduct of digestion. The carbon dioxide is then conveyed back to the lungs and delivered into the alveoli. With every exhalation, carbon dioxide is ousted from the bronchi out through the windpipe.

The lungs are pyramid-molded, matched organs that are associated with the windpipe by the right and left bronchi; on the substandard surface, the lungs are lined by the stomach. The stomach is the level, arch formed muscle situated at the foundation of the lungs and thoracic hole. The lungs are encased by the pleurae, which are appended to the mediastinum. The right lung is more limited and more extensive than the left lung, and the left lung involves a more modest volume than the right. The cardiovascular score is a space on the outer layer of the left lung, and it permits space for the heart.

The lungs are encased by the pleura, a film that is made out of instinctive and parietal pleural layers. The space between these two layers is known as the pleural depression. The mesothelial cells of the pleural layer make pleural liquid, which fills in as both a grease (to lessen contact during breathing) and as a glue to stick the lungs to the thoracic

The two lungs have slanted crevice and the right is additionally separated by a cross over gap. The slanted crevice in the left lung isolates the predominant and the substandard projection. The sideways and even crevice partitions the lungs into unrivaled, center and second rate projections. In this way the right lung has three projections while the left has two.

Every flap is provided by a lobar bronchus. The flaps are partitioned by bronchopulmonary fragments which are provided by the segmental bronchi.With every inward breath, air is gotten through the windpipe and the spreading ways of the lungs , filling large number of minuscule air sacs at the finishes of the bronchi. These sacs, which look like lots of grapes, are encircled by little veins (vessels).

The four huge parts of respiratory mechanics are as per the following: lung consistence, chest divider consistence, respiratory rate, and aviation route obstruction. These work related to make a negative tension inside the lungs and pleural space, permitting air to be brought into the lungs. On the other hand, drops in lung volume increment strain in the lungs, which powers air out.


The Authors are very thankful and honored to publish this article in the respective Journal and are also very great full to the reviewers for their positive response to this article publication.

Conflict of Interest

We have no conflict of interests to disclose and the manuscript has been read and approved by all named authors.

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