Answer:
Heavy breathing
Explanation:
U know when u are doing a heavy job u feel like u can't breathe normally till u rest a little bit
Well, they are lacking in Iron if they have anemia. Soooo an iron supplement.
It would be D (All of the above)
I don't fully understand your question but what i assume you are trying to ask is WHY her mucus is part of the chain of transmission.
JoAnn's mucus still contains active cultures of the cold virus that is affecting JoAnn. thus her mucus would be able to transmit the virus to others.