It's not necessarily your kidney. If this pain persists, see a physician.
appendix or kidney?
You can chew while having a canker sore on your lip. If you spit right where the canker sore is though it will burn so just be careful
You can still have a baby if you have a Cοld Sore.
Have yourself tested for diabetes ASAP
Your boobs are sore because your still in puberty and they're STILL growing so they might be sore..ITS OK its normal for them to be that way! but also your boobs can be sore if you are but i would only worry about that if you are sexualy active
Yes, it will most likely swell, whether its sore or not.
The sore on your mouth might be as a result of a bacterial infection.
If you want to build muscle you have to get sore, if you don't your just maintaining.
It would be a good idea to see your Doctor incase you have a infection. Any redness, soreness, difficulty urinating or bumps should be reported to your Doctor.
If your nose is sore, logically, there must be a reason. If you do not know the reason them seek medical advice.
maybe not
Training your abs 3 times a week is the best choice for good results. If your abs are still sore you can still train, but be careful.