The answer to your question is C. It is a set of actions taken by health organizations to prevent the spread of diseases. because the heath organizations are promoting it.
Undigested substances are passed through the large instines I hoped I helped you
Jaun more than likely has asthma.Asthma is a condition that makes your airways narrow and swell produce too much mucus making your lungs very sensitive and can make it very hard to breathe in certain conditions
As we can see we already have the Symptoms,and,triggers that Juan suffers from.
hope this helps :D