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Table 1 Physical and geometric features of human and rat models

From: Correlation of regional deposition dosage for inhaled nanoparticles in human and rat olfactory

  Human Rat Rat/Human Ratio
Body Mass (kg) 88 0.4 0.0045
Nasal Surface Area (mm2) 19,882 2325 0.117
Olfactory Surface Area (mm2) 2097 1294 0.617
% of Olfactory to Nasal Surface Area 10.5 55.6 5.295