What can keep mold from entering the respiratory system?
vaccinations layers of fat deep breaths sweating a breathing mask moisture organic molecules hydrogen and oxygen
A B C D E F G H
When mold grows in the house, it can emit particles that travel through the air.
A breathing mask can keep mold from entering the respiratory system. 
What can keep mold from entering the respiratory system? (A) vaccinations (B) layers of fat (C) deep breaths (D) sweating (E) a breathing mask (F) moisture (G) organic molecules (H) hydrogen and oxygen