A mold spore has a negative impact on the respiratory system.
Major components of the respiratory system are the lungs, trachea, nose, and the cell.
A mold spore has a negative impact on the lungs.
What has a negative impact on the lungs?
Options:
A) unpolluted air
B) healthy atmosphere
C) mold spore
D) smoking
E) disease
F) influenza
G) clean air
H) A virus