The answer to you question is very simple, Trachea, because a trachea is a large membranous tube reinforced by rings of cartilage, extending from the larynx to the bronchial tubes and conveying air to and from the lungs; the windpipe.
Therefore you answer is,
Trachea.
I hope that this has satisfied you, and if not then feel free to ask questions.
Fruits, grains, protein, dairy, vegetables
Enjoy and have a great day! I hope this helps :)
B. sneezing into your elbow area
The answer would be B or D but i'm pretty sure it's B
I believe the correct answer is B because you obviously need to see if the person is still alive or not. I'm having second thoughts that it might be A.. I'm not sure which. Hopefully you get it right