If you have had sex you should get checked. but some peoples periods arent regular all the time
No they do not. Even if they did, they live in water so. Hope this helps!
They are called lymphocytes, which are a type of white blood cell. I hope this helps! :)
Heat cramps, heat exhaustion, heat stroke
1.Cool down for cramps
2.drink cool liquids or drinks
3.immerse you in cold water