Well, It cannot be A. as the trachea is the windpipe, so its not separated.
I think your answer is definitely C. because that says exactly what the nose does so it makes it true and the other ones are false.
Hope I helped :)
I believe it is the nervous system but I'm not 100% sure
A. Healthier skin you dont need healthy sking to benifit in strength building.
Goog nutrition is very important for us,decause I think can
