A becuaase you breathe in oxygen and you release carbon dioxide.
Well, you have two options, either throw up now and not worry about it later (this relieves pain too), otherwise, just drink something and have something to eat. Don't try anything too sugary like one of those Starbucks unicorn drinks (I don't know if they still exist but hey, just a warning!). Try a soda or just plain water. For something to eat, try a corndog or something that you like. Most people like pizza, so try a nice greasy pizza!
B is the answer I believe
A short term fitness goal is where you want to achieve a goal in a short period of time. A long term fitness goal is where your working on a goal for a long period of time.
Short Term: I'm going to lift wights for a month to help with my strength.
Long Term: I'm going to start running for at least a year to lose weight.
