fig8

Figure 8. Deposition fractions as a function of length and diameter for six microplastics with random orientation in the nasopharyngeal region: (A) polystyrene (PS); (B) polypropylene (PP); (C) polyethylene (PE); (D) polyethylene terephthalate (PET); (E) polyvinyl chloride (PVC); and (F) polymethyl methacrylate (PMMA).