The right bronchus is a passage leading from the trachea/windpipe into the right lung. When objects are aspirated, they are more likely to end up in the right bronchus than the left because its angle at the carina (the point where the trachea divides into a left and right bronchus) is more vertical/leads more straight down
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The function of the left bronchus, similar to that of the right, is to allow the passage of air to and from the lungs and trachea/windpipe.
The only difference between the two bronchi is that the angle of the right bronchus at the carina (point of bifurcation) is straight while the left one is more angled. This is why in case someone aspirates something, it is almost always found lodged in the right bronchus instead of the left (despite sharing a common passageway/trachea).
Right or Left main stem bronchus is for the carina and this is a bifurcation that sends air to both lungs.
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The right primary bronchus is a site for obstruction because it is wider and more vertical compared to the left primary bronchus, making it easier for foreign objects or mucus to block the airflow. This can lead to reduced airflow into the right lung and potentially cause breathing difficulties.
Allow air to pass from trachea to lungs
The first branches off the trachea are called the bronchi. The trachea divides into two primary bronchi, which further branch out into smaller bronchioles within the lungs.
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The medical term for narrowing of the bronchus is bronchoconstriction. It refers to the tightening of the muscles surrounding the bronchial tubes, leading to restricted airflow in the lungs.