Particle size which can easily go into the interior of lung and reache alveoli is:
Ans: a (0.5-3 im) Ref: Park, 19th ed,p. 661Particle between 0.5-3 microns are the most dangerous because they reach the interior of the lungs with ease.
0.5 - 3 im
3-5 im
5-10 im
10-15 im
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