A breathing mask can prevent what kind of particle from entering the lung?
light harmful rabies A virus x-ray deadly ion small
A B C D E F G H
Unlike larger particles, the smaller particles are able to enter the respiratory system.
A breathing mask is used to keep smaller particles out of the lungs.
A breathing mask can prevent what kind of particle from entering the lung? (A) light (B) harmful (C) rabies (D) A virus (E) x-ray (F) deadly (G) ion (H) small