Answer:
the major function of mucus is to protect the lung through mucociliary clearance against foreign particles and chemicals entering the lung. Basically security for germs :)
Explanation:
The inhalation and exhalation of air and involves the exchange of air
Answer:
They cant really do anything because what they don't know is that some people cant help how heavy they are just like some people cant help how small they are. Some people where just born to be their size because it could be heredity it could be also something wrong with there mind it could be more mental then you think.
Explanation:
The late stage is where the body and the mind start to fail. It could take weeks or maybe years to get to this stage.