is this a real question? let me guess you are a boy?
Answer:
fever - A temporary increase in average body temperature. what it causes - colds, ear infections, lung infections, skin infections, throat infections, etc.
A) the main function of the respiratory system is to deliver oxygen to cells, and discrete carbon dioxide.
B) 1. mouth 2. pharynx 3. larynx 4. bronchus 5. bronchi 6. inferior lobe?
a) superior vena cava b) aorta c) inferior vena cava d) lower body
hope this helped!! :)