Plastic particles accumulate in the nasal cavity and oropharynx, at the back of a person’s throat.
Researchers calculate that every hour a person breathes in 16.1 pieces of microplastic. This is as much as is included on a plastic card, writes IFL Science.
“As part of a 2022 study, microplastics were found deep in the human respiratory tract, raising concerns about human respiratory health risks,” said the study’s author Mohammad Islam.
As part of the study, the team created a fluid dynamics model. So, scientists tried to understand the movement of microplastics of various forms in the upper respiratory tract of man.
It turns out that plastic particles accumulate in the nose and oropharynx – at the back of the throat.
“The complex anatomy of the human respiratory tract causes microplastics to deviate from the airway and deposit in the upper areas,” added the expert.
The higher flow rate resulted in less buildup of microplastics, he said, and the larger particle size (5.56 microns) resulted in more buildup in the body.
Remember that earlier a new plastic was created that was not made from crude oil.
Source: korrespondent
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