The inflammatory response can cause:
B. pain, swelling, and a local rise in temperature.
Nutrients is basically food. What happens when you don't have enough food in your body? You get hungry. The answer is hunger.
D. Trachea, is the answer.
Worry less about the amount of calories and more about how. so consider options such as exercising and eating well balanced meals without bad ingredients. try to find organic foods (usually they will have less surgar) don't avoid carbs completely but limit intake. basically get into healthy eating and regularly exercising to help loose weight. don't focus on the numbers just make your body feel happy. :)
You can catch the flu, but HIV you can't if its inactive, but you can catch the flu if it still active
Hope this helps! :)